Ember Oauth2 Versions Save

-- Remove global distribution -- Bump project bower and node dependencies. -- Bump Ember to ~ 0.13.0

• Provide funtion to remove the token from localstorage
• Provide funtion to remove the state from localstorage
• Funtion to get the stateKeyName and tokenKeyName

• Added support for versions of Ember >= 1.7

• Can now use window.EmberENV for config along with window.ENV.
• Fixed issue where mini files had wrong version header.
• Better error reporting when configuration file is not formatted correctly.

• Update Ember dependeny to 1.7
• Moved bower install dependences from vendor to bower_components
• Add dist dir to repo for bower installs

• Fixed bug where the random UUID for the state was not being set.
• openWindow resolves with a reference to the dialog window and rejects with an error if the dialog window fails to open.

• Update library to use ES6 module
• Export to both Global and AMD module
• Use window.ENV['ember-oauth2'] for config
• OpenWindow now returns reference to dialog on resolve, on reject object with reference to dialog and error.

• Isolates function for opening window so that it can be overridden
• Login dialog window returns a promise, it resolves on success and reject on error

Compatible with Ember.js from 1.0 up to 2.0

• remove files not needed in npm package
• add build files to dist dir for package managers