Code clean up
Added the OptimizedObservableCollection helper class and the IEnumerableExtensions.ToOptimizedObservableCollection
Corrected the way exceptions are handled in AsyncStorageService.FileExistsAsync method
Major (breaking) changes in the Cimbalino.Phone.Toolkit.Location component
Ensure that PositionChanged events are raised immediately when ReportInterval is set to 0
Added the Unknown location behavior to LocationServicePosition
Perfected the equality operators in LocationServicePosition
More improvements on LocationServicePosition
Updated the Location sample
Added TakePicture(destinationFilename) to IScreenshotService
Changes to the documentation of ApplicationBarBehavior and MultiApplicationBarBehavior
Added the MultiBindingBehavior
Added the MultiBinding sample
Added a few more useful properties to the MultiBindingBehavior
Added BooleanToValueBaseConverter and DeleteFolder isolatedstorage extension method
Deleted old file
WP8 now uses ANID2 rather than ANID
Some code refactoring and documentation
Minor cosmetic changes to the MultiBinding sample
Fixed GetFileNamesAsync()

GetFileNamesAsync() was pulling in the folders, not files and so
returning folder names, not file names.