Summary:

• Library now requires .NET 4.5
• Updated to OpenTK 2.0 and SharpFont 4.0.1
• Added fallback to builtin kerning if font file does not have any
• Switch to using paket for dependency management rather than nuget
• Added OSX and Linux continuous integration through travis-ci
• Added a custom view-model-matrix to QFontDrawingPrimitive which allows for some fun effects - see Example
• Improved inbuilt documentation

Issues fixed:

• #25