Settings: Move Navigation buttons out of interface.
    http://imgur.com/iQi5xMg
    PS15: Move expanded desktop options to display.
    PS16: More cleanup.
    PS17: Remove whitespace.

@cristianomatos: thogether with this commit i've changed some crDroid custom features to match with new re-worked settings by CyanogenMod. Also include in ButtonSettings.java all CM navbar enable/disable codes (commented). I will try to use CM way of navbar actvation latter

Change-Id: I80a45ba3763d94c73b88d8293ac4a7cd94854f32
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0

Conflicts:
	res/drawable-hdpi/ic_notify_open_normal.png
	res/drawable-mdpi/ic_notify_open_normal.png
	res/drawable-xhdpi/ic_notify_open_normal.png
	res/drawable-xxhdpi/ic_notify_open_normal.png
	res/xml/display_settings.xml
	res/xml/notification_drawer.xml
	res/xml/security_settings_pin.xml
	res/xml/settings_headers.xml
	src/com/android/settings/DisplaySettings.java
	src/com/android/settings/cyanogenmod/ButtonSettings.java

Change-Id: I1151926995f78c7e68121c9450363b546cf478e8