[CB-2695] amended blackberry quirks section with file edge case solutions
[CB-2308] Document loaderror event
CB-2677: Doc adding prompt to Notification API

-added new notification.prompt.md file with API and samples
-updated to include prompt in Notification API reference
[CB-2677] Whitespace cleanup and convert tabs to spaces.
[CB-2545] Deprecate iOS EnableLocation project setting