refactoring OnyxSysCenter code
clean code
deprecate EpdController.setMode(Context context, EPDMode mode), use EpdController.setMode(View view, EPDMode mode) instead
clean code
add OnyxSysCenter.setBookScanDirectories()/.getBookScanDirectories()
update sdk
add wifi lock api
clean code
add Hebrew
support both internal and ext sdcard specified book scanning directories
Merge remote-tracking branch 'origin/master'
add StringUtil
Merge remote-tracking branch 'origin/release-1.1.2'

Conflicts:
	src/com/onyx/android/sdk/device/IDeviceFactory.java
	src/com/onyx/android/sdk/device/RK2906Factory.java
Merge pull request #97 from onyx-peekaboo/master

Modified to read the menu UI