FW: Navring Rework.

PS2: Moves drawables and static strings to Frameworks, Removes
     some redundant code from RC.

PS3: Needs awesome action update for now if we dont add it ill
     rebase.

PS4: Rebase and clean up, plus I added the option to turn "off" the
      navring by setting all targets to null or none.

PS5: added logic for custom icons

PS6: forgot to add Icons to the settings observer
     adjust some long press logic

PS7: Comment message clean up

PS8: Rebase of the new awesome action

PS9: cleanup

PS10: Rebase

Change-Id: Iff157e4e49407f46284f52697befe6cc3d5a42d7
SystemUI: avoid NPE when no toggles are set

Change-Id: Idc3fe5b43f545fed51f33b06fb5888fb5e226b7a
Signed-off-by: Roman Birg <romanbirg@gmail.com>
SystemUI: set correct initial NFC toggle state

Change-Id: I451f53bb2ae533823c214a66d83ce6a92ceb5025
Signed-off-by: Roman Birg <romanbirg@gmail.com>
Merge branch 'jb-mr1' of git://github.com/Root-Box/frameworks_base into rb