Fixed possible exception in MediaLibrary on Windows 8
Fixed Windows 8 input dialog sliding out of the screen when keyboard is opened
Improved the looks of the input dialog
Merge pull request #3153 from SongArc/feature/win8_ioexception

Fixed possible exception in MediaLibrary on Windows 8
Merge pull request #3152 from SongArc/feature/win8_inputfix

Fixed Windows 8 input dialog
Added eight point BoundingSphereTest

Added eight point BoundingSphereTest that works with XNA test
environment but fails with monogame test environment
fix BoundingSphere.CreateFromPoints
Merge branch 'develop' of https://github.com/stampergames/MonoGame into BoundingSphere
Merge pull request #3162 from nkast/BoundingSphere

fix BoundingSphere.CreateFromPoints