remove the duplicate code from RXUtil to RXColor
fix one usage of GetColorFromHex
Merge pull request #158 from guanqun/master

GetColorFromHex is duplicate in RXUtils and RXColor
Merge remote-tracking branch 'origin/development'
Removing GoKit.dll and replacing it with open source version.
Removing Vector2 allocation in GetPosition()
Removing Vector2 allocation in FMatrix