WIP support Firestore and Firebase JS SDK 5 (#553)

Large breaking change, moving to develop Emberfire v3 on master.

.editorconfig

@@ -13,22 +13,8 @@ insert_final_newline = true
 indent_style = space
 indent_size = 2
 
-[*.js]
-indent_style = space
-indent_size = 2
-
 [*.hbs]
 insert_final_newline = false
-indent_style = space
-indent_size = 2
-
-[*.css]
-indent_style = space
-indent_size = 2
-
-[*.html]
-indent_style = space
-indent_size = 2
 
 [*.{diff,md}]
 trim_trailing_whitespace = false

.ember-cli

@@ -5,5 +5,5 @@
 
     Setting `disableAnalytics` to true will prevent any data from being sent.
   */
-  "disableAnalytics": true
+  "disableAnalytics": false
 }

.eslintrc.js

@@ -0,0 +1,59 @@
+module.exports = {
+    root: true,
+    parserOptions: {
+      ecmaVersion: 2017,
+      sourceType: 'module'
+    },
+    plugins: [
+      'ember'
+    ],
+    extends: [
+      'eslint:recommended',
+      'plugin:ember/recommended'
+    ],
+    env: {
+      browser: true
+    },
+    rules: {
+        "no-unused-vars": 0, // can't get the _ ignore working
+        "ember/avoid-leaking-state-in-ember-objects": 0, // using this, TODO override only for the one file
+        "no-console": 0 // using this, TODO override only for the specific file
+    },
+    overrides: [
+      // node files
+      {
+        files: [
+          'index.js',
+          'testem.js',
+          'ember-cli-build.js',
+          'config/**/*.js',
+          'tests/dummy/config/**/*.js'
+        ],
+        excludedFiles: [
+          'app/**',
+          'addon/**'
+        ],
+        parserOptions: {
+          sourceType: 'script',
+          ecmaVersion: 2015
+        },
+        env: {
+          browser: false,
+          node: true
+        },
+        plugins: ['node'],
+        rules: Object.assign({}, require('eslint-plugin-node').configs.recommended.rules, {
+          // add your custom rules and overrides for node files here
+        })
+      },
+
+      // test files
+      {
+        files: ['tests/**/*.js'],
+        excludedFiles: ['tests/dummy/**/*.js'],
+        env: {
+          embertest: true
+        }
+      }
+    ]
+  };

.gitignore

@@ -1,4 +1,6 @@
-# See http://help.github.com/ignore-files/ for more about ignoring files.
+# See https://help.github.com/ignore-files/ for more about ignoring files.
+.DS_Store
+/*.tgz
 
 # compiled output
 /dist
@@ -14,7 +16,27 @@
 /connect.lock
 /coverage/*
 /libpeerconnection.log
-npm-debug.log
+npm-debug.log*
+yarn-error.log
 testem.log
-.firebaserc
-/.project
+
+# ember-try
+.node_modules.ember-try/
+bower.json.ember-try
+package.json.ember-try
+
+addon/**/*.js
+app/**/*.js
+adapters/*.d.ts
+authenticators/*.d.ts
+authorizers/*.d.ts
+serializers/*.d.ts
+services/*.d.ts
+session-stores/*.d.ts
+torii-adapters/*.d.ts
+torii-providers/*.d.ts
+initializers/*.d.ts
+vendor/**/node_modules
+vendor/**/tmp
+vendor/**/DEBUG
+index.d.ts