Make it work on CWM again

(cherry picked from commit d2f8bf916046ac22ef43e89ee95caa66fb528cf2)

Conflicts:
	src/com/otaupdater/ListFilesActivity.java

(cherry picked from commit 812a8a05cc2a7c9589a4dfabd4a61305eb8b4a40)
Add Nandroid Option

(cherry picked from commit e4e35ce3830b9c157a7b9848205c2faf21810beb)
(cherry picked from commit 1a70605c4cc043ff4b307f3ab96b3e85c3105fc8)