fixes #376
remove dead comment
fixed the issue with multiple subscription to the handler in the same view for each call causing the HandleImagePick method to be called multiple times
Remove unneeded System.ServiceModel references

Xamarin is requiring a business license to use System.ServiceModel.
Improved trace messages for PropertyToken
LinkerPleaseinclude - Fixes #379
LinkerPleaseInclude - fixes #391
Unity compiler help - fixes #383
CanExecute change in wrapping command - fixes #378

Also includes fix to hold onto additional event subscription token
Unused using only
Merge branch 'v3' of https://github.com/aboo/MvvmCross into TibetBinding
Removed Console plugins - they now use Wpf - fixes #395
_currentlyActive sentinel (trace only) added to the iOS image picker plugin
nuget 3.0.10 -> 3.0.11
Unified Adapter API for all Android 'list'views - completes #331 and fixes #390
Make ExtraCC and ExtraEmail optional - fixes #385
Addition of IMvxViewModelByNameRegistry to allow Plugins to automate their VM registration. Fixes #405
Possible breaking change - Styles cleared up in StyledStringElement - fixes #402 and linked to #328
no change checks in Element
cell.Hidden = Visible changes - address #403 - not sure if this is a fix or a temporary bandaid!