based on https://github.com/sschmid/Entitas-CSharp
migrated from Unity3D to MonoGame 3.5
- entitas-fsharp: using VSCode or MonoDevelop 6.3 on Linux
- entitas-fsharp-win: using VS Community 2015 with Xamarin addin on Windows
- entitas-fsharp-html5 (fable wip): using VSCode on Linux or Windows
- entitas-fsharp-android: using VS Community 2015 with Xamarin addin on Windows