Moving stores to per-user location
More multi-user support for SmartStore
Moving PN unregistration caused crashes
Changes to store migration on upgrade
Merge pull request #596 from khawkins/multi_user_smartstore

Multi-user SmartStore support
Adding upgrade scenario for user account / credentials data
Merge pull request #599 from khawkins/account_upgrade

Adding upgrade scenario for user account / credentials data
Fixes for communities refresh scenario