[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.
[SDWebImage] Updated to version 3.3
[SDWebImage] Fixes a suble binding error that causes a custom filter function to crash the app.
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