As an API User, I should be able to manage a User's permissions

[jcorry]

Users need permissions to define the actions they are able to perform. Permissions should include, at a minimum: flavors:read, flavors:write, stores:read, stores:write, users:read, users:write. A follow-on story will include limiting access to individual endpoints based on these user Permissions.

For now, the ask is simply to make it possible for any user to assign Permissions to Users.

• Update the DB schema to support user Permissions
• Update the User model to reflect Permissions as a property of a User
• Update the User mysql to handle the read/write of Permissions to a User
• Test the User handlers for the presence of Permissions data on Users
• Test the DB to confirm function of User mysql in returning User Permission data