2.0 to 2.1 upgrade instructions
Merge pull request #463 from bhariharan/unstable

README updates
Merge pull request #462 from khawkins/unstable

2.0 to 2.1 upgrade instructions
Updating 2.1 submodules, version
Merge pull request #464 from khawkins/master

Mobile SDK 2.1: Unstable to master merge
Rev'ing version, back to unstable build def
Merge pull request #465 from khawkins/unstable

Mobile SDK: Merging master into unstable
Upgrade notes revisions
Some more edits to upgrade docs
Merge pull request #466 from khawkins/master

Upgrade notes revisions
Merge remote-tracking branch 'upstream/master' into unstable
Merge pull request #467 from khawkins/unstable

Mobile SDK: Merging master into unstable
Adding missing SmartSync tests to iOS hybrid testing
Merge pull request #468 from khawkins/master

Adding missing SmartSync tests to iOS hybrid testing
Merge remote-tracking branch 'upstream/master' into unstable
Merge pull request #469 from khawkins/unstable

Mobile SDK: Merging master into unstable
No more RestKit
Merge pull request #470 from bhariharan/master

No more RestKit
Merge branch 'master' into unstable