This change also
* Fix comman/f1 key for Arabic keyboard.
* Removes "show settings key option" and related stuff.
* Renames and simplifies F2 key to shortcut key on 7 inch tablet.
Change-Id: Ib1cf99ad00d9780a2f0d170260e756771e161521
* <Keyboard> XML file should be kbd_*.xml
* <Row> XML file should be rows_*.xml or row_*.xml
* <Key> XML file should be key_*.xml or keys_*.xml
* <key-style> XML file should be key_styles_*.xml
Change-Id: Ie57d5d78389c13d6c066ace4e3588518d1f25f13