Do not add the SkiaSharp prefix to dependencies (mono#1331)

Regenerate the docs

Ensure that the assemblies are in fact signed (mono#1268)

Update docs for release (mono#1263)

* Update the version numbers
* Regenerate the docs
* Added better change logs

Remove the [Preserve] attribute (mono#1229)

Since mono#1209, we no longer use reflection and the linker can go ahead and start removing things.

Resolve some concurrency issues (mono#1200)

* Rework the assembly fixtures
* Fix concurrency issue with handle registration
* Save several ms and useless allocations
* Make sure to correctly own objects
* Native objects may be disposed at any time
* Keep the bitmap alive when just using the pixmap
* Cache the "static" font styles

Re-work views to avoid incorrect disposal (mono#1180)

Add the expected overload for newer versions XF.Tizen (mono#1117)

- Updating Xamarin.Forms to v4.4.0.991757
- Work around the portable PDB issue for UWP for now