started integration with backend
Merge pull request #5 from bloodswtf/master

started integration with backend
Merge branch 'master' of https://github.com/quizzingbricks/quizzingbricks-android

Conflicts:
	AndroidManifest.xml
	res/values/strings.xml
	src/com/quizzingbricks/activities/LoginActivity.java
	src/com/quizzingbricks/authentication/AuthenticationManager.java
	src/com/quizzingbricks/communication/RequestParser.java