Settings: Remove lockscreen options from security.

  - Create a separate fragment for Lockscreen settings
  - Move App Security up in Security Settings
  - General clean up

@cristianomatos: move PIN keypad shuffler and gesture based lockscreen either

Change-Id: I4dc20942b87c2446c7e798e28f7e475efebaddb8

Conflicts:
	src/com/android/settings/SecuritySettings.java
Revert "Settings: Fix QuickSettings Style NPE"

This reverts commit 048c112277de34d351cee6b599620b753544bfb3.

Conflicts:
	res/xml/quicksettings_tiles_style.xml

Change-Id: Ia553bbe7da4efc2a0408a74e49c5c0edbf657ffd
Revert "Extended QS options (2/2)"

This reverts commit 8efeab148a9a9345bcf1d969658e0a5528137e0c.

Conflicts:
	res/values/cr_arrays.xml
	res/values/cr_strings.xml

Change-Id: Ie4cba78d7dbce5e680a69f2eb209ef720a185e16