Updated ActionBarSherlock to version 4.4.0.
Added support-v4.jar as reference library to fix problem with not generated bindings.
Added Xamarin.Android.Support.v4.Preferences project which have PreferenceFragment dependent on Xamarin.Support.v4 library.
Added Luma.MvvmCross.ActionBarSherlock project with Mvx classes for SherlockActivities and NavigationDrawer implementations