[TestFlight] Update to 1.2.4 and settings included

This commit updates the TestFlight SDK to 1.2.4 and exposes the
TestFlight Settings as C# methodes.
Changed settings to use .NET conventions
add ArmV7s LinkTarget
Spark Inspector Bindings
Merge pull request #1 from kklobe/master

Add ArmV7s Link Target by kklobe
[TestFlight] Updated to 1.2.5
[TestFlight] Updated to 1.2.5 readme and the binding files.
Had app crashes when you go to Airplane mode

We got Signal 13 about Broken Pipe. This is the fix.
Update ApiDefinition.cs

FBDialogs.PresentShareDialog link parameter should accept nulls.
Added support for DBMap (offline maps)
[TSMiniWebBrowser] Added TSMiniWebBrowser binding
[GoogleAdmobAds] Updated to version 6.5.0
Xamarin.iOS bindings for Dropbox Chooser API
Merge pull request #153 from prashantvc/master

Xamarin.iOS bindings for Dropbox Chooser API
[SDWebImage] Updated sdwebimage to version 3.3.1
[SDWebImage] Included missing reference to ImageIO Framework
[SDWebImage] Made public methods on extras
[SDWebImage] Fixed Typo in extras
[ATMHud] Fix build with recent versions of Xamarin.iOS.
[TestFlight] Fix build with recent versions of Xamarin.iOS.