CF: lockscreen shortcuts

All credits go to Danesh, CM.

- resized a few images
- kanged cm's shortcutPickerHelper

Change-Id: I182bd750b9a0bc57cfe942fc06d48bbf30a2db64

Conflicts:
	AndroidManifest.xml
	res/values/arrays.xml
	res/values/strings.xml
	res/xml/preference_headers.xml
	src/com/oct/tentacles/SettingsActivity.java
	src/com/oct/tentacles/util/ShortcutPickerHelper.java