Merge pull request #24 from unoplatform/dev/jela/xf43

Update to support 4.3.0 release

Merge branch '3.0.0' into 3.1.0

Android TimePicker FontSize & FontFamily fix (xamarin#2749)


- fixes xamarin#2745

[iOS] allow mailto: uri (xamarin#2646)

* [iOS] allow mailto: uri

same as xamarin#1311 but for mailto:

 - fixes xamarin#2628

* Add mailto test

Merge branch '3.0.0' into 3.1.0

Revert "design dlls for all plats (xamarin#2493)"

This reverts commit 85e06a7.

Fix .css files not excluded from default None items (xamarin#2544)

Fixes VSTS #606364 - CSS files are duplicated in solution pad