Added method to see if a viewController class was present on the navstack.
Set the default color of the SDFormFieldContainer separator to the iOS default value.
Merge branch 'master' into rx-integration
Added a check before resetting a timer to ensure that a timer pending execution isn't reset. This gives time for a backgrounded app to process timers properly before the UI can reset them.
Add kSecAttrAccessibleWhenUnlocked attribute to our keychain entries when saving and updating
Change keychain access to kSecAttrAccessibleWhenUnlockedThisDeviceOnly
Merge branch 'refs/heads/rx-integration'

Conflicts:
	Source/Security/SDKeychain.m