Show "Eject card" for usb storage

Readd the "Eject" options if the SD card is mounted via usb.

Change-Id: I802cf4d20eb3b45ce068f89c22352f79999d593e
(cherry picked from commit 8b7f3b842282fce5b14fc9ce5d70856d7c763785)

Conflicts:
	src/com/android/settings/deviceinfo/StorageVolumePreferenceCategory.java
1
Settings: Remove redundancy in description

* All these settings are under a 'Volume buttons' header.
  Avoiding duplication of 'Volume button' makes it easier for
  translators

Change-Id: I51eb2de69c2f038f13d95a8e97bde1ecf83df913
(cherry picked from commit 6b5bf877cde82d6a1c25b7c77089a720b9b46e97)
Settings: Use consistent title for button wake up

Following http://review.cyanogenmod.org/63421

Change-Id: Ib1821374b5c54f80d3d52e9057f62bf8c80a1dd6
(cherry picked from commit 4ab4dd2d1a593a8759f37f6a50ab744d8d0d0767)

Conflicts:
	res/values-ar/cm_strings.xml
	res/values-sr/cm_strings.xml
	res/values-zh-rCN/cm_strings.xml
	res/values-zh-rHK/cm_strings.xml