Clean up lock screen interface code

- Remove unnecessary (and wrong) user check for the removal of maximize
  widgets

- Remove unnecessary null checks for the widgets category

- Reorder preference initialization to the same order as they appear on
  screen

- Extract DPM checking into a function for future additions, remove
  unused DPM admin class, centralize LockPatternUtils, clean up comments
  and wrap to 100 lines.

Change-Id: I94159fec7b1604e290829d2ddc2eb07bf5b015e7

Conflicts:

	src/com/android/settings/cyanogenmod/LockscreenInterface.java
Settings: HU translation

PS2: Correcting

Change-Id: Iff5f3818960963add98cb3eefb23445d039dbea3
Settings: LT translations

Minor fixes

Change-Id: Ic55f4c186c7a0659aa4d938d7431ac4a588948d5
Settings: PL translations

Small update

Change-Id: Iac2d34f4e487bc8327258bd03d769eb7a6e20c15
Signed-off-by: jereksel <jereksel@gmail.com>
Settings: IT translations

	Small fix

Change-Id: I62821630aec9477efa13a58bc09ec144f25e29de