updating the status bar notification code structure.
added inbox style notification.
committing missing resource files.
added notification actions to toggle drone connection.
Merge branch 'master' of https://github.com/DroidPlanner/droidplanner into feature_notification_update

Conflicts:
	Android/src/org/droidplanner/android/utils/DroidplannerPrefs.java
Merge pull request #851 from DroidPlanner/feature_notification_update

Status bar notification update
fixes issue #852 by making sure the map is initialized before any interaction with it.
Merge pull request #853 from ne0fhyk/fix_issue_852

Fixes issue #852
updated the android support library.
switched from the system NotificationManager to the compatibility library NotificationManagerCompat. The latter one provides support for android wear.
updated google play library.
Merge pull request #855 from ne0fhyk/feature_library_update

Project libraries update