Lockscreen: See through (2/2)

Add the ability to see through lockscreen.
Adapted to kitkat from jellybean by @BigBrother1984

Credits to AOSPA

Change-Id: I9b647c10e3c88d1361233526a371c7e85596a205

Conflicts:
	res/values/cm_strings.xml
Lockscreen Blur: Allow setting blur radius (2/2)

Change-Id: Ibc204493a213332006ff40a53c2a9c88a21f2b0a

Conflicts:
	res/values/cm_strings.xml
	res/xml/lockscreen_interface_settings.xml
Strings: Update See-Through Selector

'See-Through' did not denote that it was the coveted Lockscreen Blur and
there have been many questions asked about the blur effect and where to enable it

Modified res/values/cm_strings.xml to change name of selection from See-Through to Lockscreen Blur

Change-Id: I5f191668de17f45ab3d4d3e27492764699c82a30

Conflicts:
	res/values/cm_strings.xml