[MOVED] iOS code from MPAppDelegate_Shared to MPiOSAppDelegate.
[FIXED] Perform MOC saving in MOC perform blocks.
[FIXED] Mac: Activate app when showing password window and not active.
[FIXED] Hide overlay while corruption dialog is up.
[FIXED] Hide corruption dialog when reloading store.
[MOVED] Creation of new elements moved to shared code.
[FIXED] When switching user, unset active key.
[FIXED] Synchronize content calculation to avoid race issues while typing.
[ADDED] Ability to create new sites.
[FIXED] Unset active element when hitting backspace or escape.
[FIXED] More careful Core Data threading and context usage.
[FIXED] iOS bug when migrating, now using USM's copy migration.
[ADDED] Better handling of store changes while in Main VC and Element List VCs.
[UPDATED] Made activeUser access follow same pattern as activeElement which makes it more clear what the thread model is like.
[FIXED] Save after update of all elements.
[UPDATED] Tool tips hidden in IB now; makes it less cluttered.
[FIXED] Dismissing view controllers when logging out.
[UPDATED] Simplified AllSites VC in IB (removed the unused navVC).
[UPDATED] Outdated sites are now shown in the AllSites VC.
[ADDED] An update-all-sites button when showing outdated sites in the AllSites VC.
[REMOVED] Search scopes.
[ADDED] Sorting elements by recency and usage count now.
[FIXED] Initial positioning of help container.
[ADDED] Setup VC for rememberLogin.
[FIXED] Setup wasn't showing up on app load.
[FIXED] More temporary moc fixes and main thread fixes.
[IMPROVED] Guide now plays an introduction animation.
[FIXED] Setup iCloud switch is now functional.
