renderable text loosely based on nehe

* Currently only supports one line of text
* Could also be heavily optimized since we know what font is gonna be in
  use
* Needs more utility functions in order to make usage easier
missing shader
fix for åäö
add texture uniform
align the font textures to bottom

* Also have constant height for fonts
implement proper player name display
Merge branch 'unicode-freetype-gl'
augment texture2D to handle both regular and multisampled textures
Merge branch 'master' of github.com:forsythrosin/achdome