Merge pull request #468 from kuzzleio/remove-socketio

## What does this PR do?

Socket.io is not supported by Kuzzle v2 anymore.

### Other changes

 - Update documentation and README links for Kuzzle v2

Author: Aschen

README.md

@@ -24,9 +24,8 @@ This is the official Javascript SDK for the free and open-source backend Kuzzle.
 
 #### Multiprotocols
 
-Currently, the SDK provides 3 protocols: __Http, WebSocket and SocketIO.__
-WebSocket and Socket.IO protocols implement the whole Kuzzle API, while the HTTP protocol does not implement realtime features (rooms and subscriptions).  
-While Socket.IO offers better compatibility with older web browsers, our raw WebSocket implementation is about 20% faster.
+Currently, the SDK provides 2 protocols: __Http and WebSocket.__
+WebSocket protocol implement the whole Kuzzle API, while the HTTP protocol does not implement realtime features (rooms and subscriptions).  
 
 #### Promises based
 
@@ -35,7 +34,7 @@ For example, for the action create of the controller collection (_collection:cre
 Any error must be caught either at the end of the `Promise` chain, or by using `async/await` and a `try...catch`.
 
 <p align="center">
-  :books: <b><a href="https://docs-v2.kuzzle.io/sdk-reference/js/6/">Documentation</a></b>
+  :books: <b><a href="https://docs.kuzzle.io/sdk-reference/js/7">Documentation</a></b>
 </p>
 
 ### Kuzzle
@@ -45,7 +44,7 @@ an administration console and a set of plugins that provide advanced functionali
 
 * :octocat: __[Github](https://github.com/kuzzleio/kuzzle)__
 * :earth_africa: __[Website](https://kuzzle.io)__
-* :books: __[Documentation](https://docs-v2.kuzzle.io)__
+* :books: __[Documentation](https://docs.kuzzle.io)__
 * :email: __[Gitter](https://gitter.im/kuzzleio/kuzzle)__
 
 
@@ -113,13 +112,6 @@ Then the Kuzzle SDK will be available under the `KuzzleSDK` variable:
   </script>
 ```
 
-If you want to support older browser versions, you may load `socket.io` before Kuzzle, making the SDK compatible with browsers without websocket support:
-
-```html
-<!-- Don't forget to include socketio before Kuzzle SDK -->
-<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.0.3/socket.io.slim.js"></script>
-```
-
 #### Browser with Webpack
 
 If you use Webpack, you'll likely use the NPM-packaged version of the SDK (like in Node)

doc/7/controllers/auth/get-current-user/index.md

@@ -31,7 +31,7 @@ Additional query options
 
 ## Resolves
 
-A [User](/sdk/js/6/core-classes/user) representing the current user logged with the SDK.
+A [User](/sdk/js/7/core-classes/user) representing the current user logged with the SDK.
 
 ## Usage
 

doc/7/controllers/auth/login/index.md

@@ -9,9 +9,9 @@ description: Authenticate a user
 
 Authenticates a user.
 
-If this action is successful, then the [jwt](/sdk/js/6/core-classes/kuzzle/properties) property of this class instance is set to the new authentication token.
+If this action is successful, then the [jwt](/sdk/js/7/core-classes/kuzzle/properties) property of this class instance is set to the new authentication token.
 
-All further requests emitted by this SDK instance will be on behalf of the authenticated user, until either the authenticated token expires, the [logout](/sdk/js/6/controllers/auth/logout) action is called, or the `jwt` property is manually set to another value.
+All further requests emitted by this SDK instance will be on behalf of the authenticated user, until either the authenticated token expires, the [logout](/sdk/js/7/controllers/auth/logout) action is called, or the `jwt` property is manually set to another value.
 
 ## Arguments
 
@@ -29,16 +29,16 @@ login(strategy, [credentials], [expiresIn]);
 
 ### strategy
 
-The name of the [authentication strategy](/core/1/guides/kuzzle-depth/authentication) used to log the user in.
+The name of the [authentication strategy](/core/2/guides/kuzzle-depth/authentication) used to log the user in.
 
 Depending on the chosen authentication strategy, additional credential arguments may be required.
 The API request example in this page provides the necessary arguments for the [`local` authentication plugin](https://github.com/kuzzleio/kuzzle-plugin-auth-passport-local).
 
-Check the appropriate [authentication plugin](/core/1/plugins/guides/strategies/overview) documentation to get the list of additional arguments to provide.
+Check the appropriate [authentication plugin](/core/2/plugins/guides/strategies/overview) documentation to get the list of additional arguments to provide.
 
 ### expiresIn
 
- The default value for the `expiresIn` option is defined at server level, in Kuzzle's [configuration file](/core/1/guides/essentials/configuration).
+ The default value for the `expiresIn` option is defined at server level, in Kuzzle's [configuration file](/core/2/guides/essentials/configuration).
 
 ## Resolves
 

doc/7/controllers/auth/logout/index.md

@@ -11,7 +11,7 @@ Revokes the current authentication token.
 
 If there were any, real-time subscriptions are cancelled.
 
-If this action is successful, then the [jwt](/sdk/js/6/core-classes/kuzzle/properties) property of this class instance is unset.
+If this action is successful, then the [jwt](/sdk/js/7/core-classes/kuzzle/properties) property of this class instance is unset.
 
 <br/>
 

doc/7/controllers/auth/refresh-token/index.md

@@ -11,9 +11,9 @@ description: Refresh an authentication token
 
 Refreshes a valid, non-expired authentication token.
 
-If this action is successful, then the [jwt](/sdk/js/6/core-classes/kuzzle/properties) property of this class instance is set to the new authentication token.
+If this action is successful, then the [jwt](/sdk/js/7/core-classes/kuzzle/properties) property of this class instance is set to the new authentication token.
 
-All further requests emitted by this SDK instance will be on behalf of the authenticated user, until either the authenticated token expires, the [logout](/sdk/js/6/controllers/auth/logout) action is called, or the `jwt` property is manually set to another value.
+All further requests emitted by this SDK instance will be on behalf of the authenticated user, until either the authenticated token expires, the [logout](/sdk/js/7/controllers/auth/logout) action is called, or the `jwt` property is manually set to another value.
 
 
 ## Arguments
@@ -40,15 +40,15 @@ Additional query options
 
 ### expiresIn
 
-The default value for the `expiresIn` option is defined at server level, in Kuzzle's [configuration file](/core/1/guides/essentials/configuration).
+The default value for the `expiresIn` option is defined at server level, in Kuzzle's [configuration file](/core/2/guides/essentials/configuration).
 
 ## Resolves
 
 The `refreshToken` action resolves to a token object with the following properties:
 
 | Property   | Type    | Description  |
 |--------------|---------|-------------|
-| `_id` | <pre>string</pre> | User unique identifier ([kuid](/core/1/guides/essentials/user-authentication#kuzzle-user-identifier-kuid)) |
+| `_id` | <pre>string</pre> | User unique identifier ([kuid](/core/2/guides/essentials/user-authentication#kuzzle-user-identifier-kuid)) |
 | `expiresAt` | <pre>number</pre> | Expiration timestamp in Epoch-millis format (UTC) |
 | `jwt` | <pre>string</pre> | Authentication token |
 | `ttl` | <pre>number</pre> | Time to live of the authentication token, in milliseconds |

doc/7/controllers/auth/update-self/index.md

@@ -9,7 +9,7 @@ description: Updates the current user object in Kuzzle.
 
 Updates the currently logged in user content.
 
-This route cannot update the list of associated security profiles. To change a user's security profiles, the route [security:updateUser](/core/1/api/controllers/security/update-user) must be used instead.
+This route cannot update the list of associated security profiles. To change a user's security profiles, the route [security:updateUser](/core/2/api/controllers/security/update-user) must be used instead.
 
 <br/>
 
@@ -34,7 +34,7 @@ Additional query options
 
 ## Resolves
 
-A [User](/sdk/js/6/core-classes/user) representing the current user logged with the SDK.
+A [User](/sdk/js/7/core-classes/user) representing the current user logged with the SDK.
 
 ## Usage
 

doc/7/controllers/bulk/import/index.md

@@ -9,7 +9,7 @@ description: Performs a bulk import on a collection
 
 Create, update or delete large amount of documents as fast as possible.
 
-This route is faster than the `document:m*` routes family (e.g. [document:mCreate](/sdk/js/6/controllers/document/m-create)), but no real-time notifications will be generated, even if some of the documents in the import match subscription filters.
+This route is faster than the `document:m*` routes family (e.g. [document:mCreate](/sdk/js/7/controllers/document/m-create)), but no real-time notifications will be generated, even if some of the documents in the import match subscription filters.
 
 <br/>
 

doc/7/controllers/bulk/mWrite/index.md

@@ -14,9 +14,9 @@ description: Creates or replaces multiple documents directly into the storage en
 Creates or replaces multiple documents directly into the storage engine.
 
 This is a low level route intended to bypass Kuzzle actions on document creation, notably:
-  - check [document validity](/core/1/guides/essentials/data-validation),
-  - add [kuzzle metadata](/core/1/guides/essentials/document-metadata),
-  - trigger [realtime notifications](/core/1/guides/essentials/real-time) (unless asked otherwise)
+  - check [document validity](/core/2/guides/essentials/data-validation),
+  - add [kuzzle metadata](/core/2/guides/essentials/document-metadata),
+  - trigger [realtime notifications](/core/2/guides/essentials/real-time) (unless asked otherwise)
 
 <br/>
 

doc/7/controllers/bulk/write/index.md

@@ -14,9 +14,9 @@ description: Creates or replaces a document directly into the storage engine.
 Creates or replaces a document directly into the storage engine.
 
 This is a low level route intended to bypass Kuzzle actions on document creation, notably:
-  - check [document validity](/core/1/guides/essentials/data-validation),
-  - add [kuzzle metadata](/core/1/guides/essentials/document-metadata),
-  - trigger [realtime notifications](/core/1/guides/essentials/real-time) (unless asked otherwise).
+  - check [document validity](/core/2/guides/essentials/data-validation),
+  - add [kuzzle metadata](/core/2/guides/essentials/document-metadata),
+  - trigger [realtime notifications](/core/2/guides/essentials/real-time) (unless asked otherwise).
 
 <br/>
 

doc/7/controllers/collection/create/index.md

@@ -7,7 +7,7 @@ description: Create a new collection
 
 # create
 
-Creates a new [collection](/core/1/guides/essentials/store-access-data) in Kuzzle via the persistence engine, in the provided index.
+Creates a new [collection](/core/2/guides/essentials/store-access-data) in Kuzzle via the persistence engine, in the provided index.
 
 You can also provide an optional data mapping that allow you to exploit the full capabilities of our
 persistent data storage layer, [ElasticSearch](https://www.elastic.co/products/elasticsearch) (check here the [mapping capabilities of ElasticSearch](https://www.elastic.co/guide/en/elasticsearch/reference/7.3/mapping.html)).
@@ -48,7 +48,7 @@ const mapping = {
 };
 ```
 
-More informations about database mappings [here](/core/1/guides/essentials/database-mappings).
+More informations about database mappings [here](/core/2/guides/essentials/database-mappings).
 
 ### options