RepoPick : Add support for git pull

Allow user to git pull patchsets and dependencies.

Change-Id: If5520b45fe79836eac628b3caf0526f11f8953d9
Merge "RepoPick : Add support for git pull" into cm-10.2
kernel: use target strip command

Change the strip command used from the hardcoded arm
to the toolchain defined strip.

Change-Id: Id900765e8dc93af1345081f4fd0c52bebcd07fea
Additional overrides

Change-Id: I768e26d2fad021a9eb30decf15e61ba996b673e5
Just a few more for flexibility

Change-Id: I264191a7ff2235d0effe038c39a976a25985f529