Updated to FreeType 2.5.0.1.

Properly credited FreeType according to the FreeType License

Merge pull request Robmaister#19 from Youscribe/master

Fix signature error on FT_Glyph_Get_CBox causing memory access error

Merge branch 'master' of github.com:Robmaister/SharpFont

Merge branch 'master' of github.com:Robmaister/SharpFont