Add partition list GUI element

Add partition list GUI element and update backup, restore, mount,
storage selection, and wipe sections of GUI and partition manager
code to reflect the new GUI element. Update ORS engine to handle
new backup and restore setup.

Fix a bug with decrypt.
Add 1080x1920 layout.

Change-Id: Iaa2f44cb707167e66f935452f076ba00e68a2aa4

gui/blanktimer.cpp

@@ -109,7 +109,17 @@ int blanktimer::getBrightness(void) {
 	string brightness_path = EXPAND(TW_BRIGHTNESS_PATH);
 	if ((TWFunc::read_file(brightness_path, results)) != 0)
 		return -1;
-	return atoi(results.c_str());
+	int result = atoi(results.c_str());
+	if (result == 0) {
+		int tw_brightness;
+		DataManager::GetValue("tw_brightness", tw_brightness);
+		if (tw_brightness) {
+			result = tw_brightness;
+		} else {
+			result = 255;
+		}
+	}
+	return result;
 
 }