3.5.1 release

We've finally pushed Mvx 3.5.1 on nuget

Some significant changes in this release are:

• changes to binding strong `target` storage - to try to address issues with the latest Xamarin GC releases on iOS
• changes to Android Java naming for all views
• changes to Android inflation to assist with changes in Android support packages

Additionally, we have included:

• addition of a FromStoryboard attribute
• Touch setup changes to ease XamForms integration
• a fix for dynamic image helper (when reused in some error situations)
• a Fragments suspension fix
• addition of open generic support for binding registration
• addition of MvxOwnerViewModelFragment - for "old" style fragments
• GroupTemplateId added to MvxExpandableListView
• support for SelectedSegment binding in UISegmentedControl
• additions to support suspension management in WinStore and WinCommon
• a fix for camera picker leaking on iOS
• additional protected constructor added for dialog controller
• typo fix in Android target bindings
• some packages now have symbols on nuget - but not all - this is still a (frustrating) work in progress
• IntPtr constructor added to MvxFrameControl
• improvements to serialization for fragments presenter
• CreateIoCOptions added for unit tests
• bindable ExpandableListView added for Android
• Seekbar binding becomes a better C# citizen
• setter only property fix (broken by universal project changes)
• simple addition of INPC to assist with linking
• addition of GetFoldersIn to File plugin
• some test changes - to ensure invariant culture used
• fix for recursive delete on WinPhone Silverlight
• switch to automatic nuget package restore
• fix for selecteditem being fired for empty lists (UIPickerView)
• addition of clear functionality for download cache
• additions and improvemets to file plugin on windows
• prevention of loading 0 id resource bitmaps on droid
• missing saveinstance hooks added to fragment wrappers
• additional Action hooks added to RaiseAndSetIfChanged
• mem caching added for local resource images
• file access improved on foreach loop
• Ioc supporting tests switched to invariant culture

You can see these changes in source on https://github.com/MvvmCross/MvvmCross/commits/3.5

As ever we're keen to get feedback on this :) Let us know if things are broken or could be even more awesome

Thanks to all the fab contributors :) This patch includes: Sylapse, geirsagberg, martijn00, azchohfi,, Paul Kapustin, brsolucoes, pazi146, kjeremy, vzsg, tal33, jamie94bc, David Schwegler, cclarke, Kevin Ford, Paul Leman, Eugene Berdnikov, Bognar, Seifer, Jihun Lee, Kerry Lothrop, Ben B, Tomasz, Daniel W, guillaume-fr, Mohib

There's an  issue open on GitHub about changing the way the project is managed - bringing more people into the team, enabling more development and stopping certain old dinosaurs (me) slowing the project down - see https://github.com/MvvmCross/MvvmCross/issues/841 - would you like to be involved?