Store user's details upon login, and match userID when a PN is received.
Remove unused imports.
Do not abort the execution if wpcomUserId is missing within the app.
Move ReaderPrefs and into a more generic class UserPrefs
Added missing file
Merge branch 'develop' of https://github.com/wordpress-mobile/WordPress-Android into 502-Match-wpcom-id-notifications

Conflicts:
	src/org/wordpress/android/GCMIntentService.java
	src/org/wordpress/android/WordPress.java
	src/org/wordpress/android/ui/stats/WPComLoginActivity.java
	src/org/wordpress/android/util/WPMobileStatsUtil.java
Fixed issue with the merge with Develop
Check that the parameter "user" is available in PN body.
Merge pull request #518 from wordpress-mobile/issue/502-Match-wpcom-id-notifications

Issue/502 match wpcom id notifications