Merge pull request #650 from bhariharan/min_42

Bumping up min API support to android-17 (4.2)
Merge pull request #651 from bhariharan/min_42

Replace deprecated APIs with newer APIs
Merge pull request #652 from bhariharan/min_42

Adding ActionBar themes
Merge pull request #653 from bhariharan/min_42

Use unified layouts and remove tablet specific conditionals
Merge pull request #654 from bhariharan/min_42

Adding login URL to ActionBar
Merge pull request #655 from bhariharan/min_42

Bumping up version numbers
Updating shared submodule, concurrent upsert hybrid tests
Merge pull request #656 from khawkins/latest_shared

Updating shared submodule, concurrent upsert hybrid tests
Merge pull request #657 from bhariharan/min_42

Misc cleanup