Frameworks: bring back all lockscreen Widget Settings

this commits brings back adapted versions for 4.4:

- enable permanent maximized widgets
- allow carousel view
- disable camera widget
- disable usibility hints
- longpress lockhandle unlocks screen

cheers gmillz and kufi

Change-Id: Idaca3d770a620c5f07ea389842a680eb7e55b601
Frameworks: Add support for variable size pattern lockscreen (Part 1/2)

Thanks CM

for the base.....ported to new keyguard, moved service and some
new API 19 stuff

Change-Id: Ia506308a111947d20058f86c4ad538bef463afaf