merged with latest from upstream/master
updated manifest file to limit support only to tablet for the current version.
reverted to updated submodules.
reverted to updated submodules version.
updated usb submodule to the correct commit.
updated usb submodule to the correct commit.
added a boolean return value to InfoMenu#onOptionsItemSelected() method.
avoid call to super.onOptionsItemSelected() if InfoMenu#onOptionsItemSelected() returns true.
that should fix issue #577
Merge pull request #597 from ne0fhyk/feature_restrict_to_tablet

Limit application support to tablet
Merge pull request #600 from ne0fhyk/fix_issue_577

Fix issue #577