Add support for change passcode mode from UI
Merge pull request #570 from bhariharan/passcode

Add support for change passcode mode in UI
Adding support for 'Master Passcode' approach
Bug fixes
Merge pull request #571 from khawkins/smartstore_keystore

Moving existing SmartStore key management into separate upgrade class
Merge pull request #572 from bhariharan/passcode

Adding support for 'Master Passcode' approach
Add support for push notifications across multiple users
Merge pull request #573 from bhariharan/unstable

Add support for push notifications across multiple users
Updating encryption to key store-based