* Move generators and assertions to helper library.

* Add example usage to bezier curve tests.

* Add FsCheck to OpenTK.Tests.Math via paket.

* Tweak fsharp msbuild settings for OpenTK.Tests.Generators.

Not sure how this version check slipped in. It's not present in upstream
cecil code or the disassembled code from our current copy of
mono.cecil.dll.

Fixes #710

* Fix Generator.Rewrite failing on iOS builds

* Fix incorrect path

* Directly link to Xamarin.iOS facades

* Fix Xamarin.Mac framework directory

* Add TVOS/WatchOS framework directories

* Add Android framework directory

* Remove unused framework dirs for now

Maybe we can add these back in later, when we have compiling support for these platforms.

* Remove ProjectExtensions

Pinning the version of paket used should ensure that running of "paket
install" is reproducible ensuring our CI git diff check doesn't spuriously
fail.

Pin paket version and reinstall dependencies

…queue on startup (mouse movements, etc.) would put the app in a partially-activated state and not take window focus (#732)

* Rethrow exception from main event loop in SDL. Fixed  #735

* Remove try-catch

* Change Matrix4 to use unsafe code for invert

* Fix stylecop error

* Isolate unsafe code

* Move unsafe block

Closes #748

Fix: Use invariant culture when parsing version in Generator.Bind

Bridge isn't stable, sometimes messages didn't redirected to discord, it lead people to wrong area to ask

The issue was related to referencing...
In OpenTK 2.0, Vector3.Transform(Quaternion) actually returned a new instance of the rotated vector, which was then changed in 3.0 so that no new vector instances were created for better performance. In short, this is what caused the issue at Vector3.Transform(Quaternion), returning incorrectly rotated vectors.

Fix document typo