2.2 Release: Updating submodule pointers
Merge remote-tracking branch 'upstream/unstable'
Merge pull request #617 from khawkins/master

2.2 Release: Merging unstable into master
Updating SDK version
Merge remote-tracking branch 'upstream/master'
Merging master back to unstable
Merge pull request #618 from khawkins/unstable

Mobile SDK: Merging master into unstable