add Simplified Chinese translation

Conflicts:

	recovery/icons.qrc
	recovery/recovery.pro
add wenquanyi-microhei chinese font

wenquanyi-microhei contains GB2312(with GBK) and Big5 characters,
that is it supports both Simplified and Tranditional Chinese.
append the lost picture.
Merge pull request #153 from haobug/dev_test

TESTED, add Chinese translation and wenquanyi Chinese font