Converted activities to fragments for better implementation of navigation drawer
Updated documentation
Updated .gitmodules to target privly/privly-applications.git instead of forks
Initial gmail integration. Gets oauth token and fetches user mails using javamail api for IMAP
Integrated Index Application, Home items moved to navigation drawer
Merge branch 'gmail' into fragments
Added gmail to navigation drawer
Merge branch 'fragments'

Conflicts:
	assets/PrivlyApplications