[FEATURE] Login
Started login via Facebook
Merge branch 'master' of
https://manupeco@github.com/manupeco/my-team-manager.git

Conflicts:
	MyTeamManager_Android/AndroidManifest.xml
	MyTeamManager_Android/res/layout/fragment_login.xml
	MyTeamManager_Android/res/values-it/strings.xml
	MyTeamManager_Android/res/values/strings.xml
	MyTeamManager_Android/src/com/myteammanager/MyTeamManagerActivity.java
	MyTeamManager_Android/src/com/myteammanager/ui/fragments/LoginFragment.java
	MyTeamManager_Android/src/com/myteammanager/ui/phone/LoginActivity.java
	MyTeamManager_Android/src/com/myteammanager/util/KeyConstants.java