Fix 'media' exception:

In CWM, a bug was preventing any path/file named media from being backed up
This patch will exclude only /data/media path and not other media files/folders

Change-Id: I8d998eca35d36e9877339182e8152d6cee0fde23
Support selinux context inside tar archive

New busybox update supports -p option to store selinux context inside tar

Change-Id: I38e2a194235e6b10d6ae040b6c93497136528186
Merge branch 'cm-11.0' into kk_mkt