Updated CWM recovery

Change-Id: I96d24b125932718cec496549238d4279af19ce2e
Updated TWRP to 2.5.0.0
Remove galaxy sb ramdisk

Too much work to keep this up-to-date as well.

Change-Id: I88fea80fd6bd6b6c42dcccbb8f69b68aa23baebc
Bump kernel version to 0.294

Change-Id: I960e6f2ebdd7276c366acadee209e36f44e1d1dc