Merge pull request #35 from jeremieroy/master

Fix font rendering under mingw
Added common library.
Updated README.
Updated README.
Added varying.def to dependencies.
Updated shaderc executable.
Removed unused member variables.
Add LOD transition example
Merge pull request #36 from milostosic/master

Added LOD transition example
Merge branch 'master' of github.com:bkaradzic/bgfx
Updated 12-lod.
Cleanup.
Updated PNacl build.
Cleanup.
Fixed LOD shader.
Added vsync to lod example.
Updated 02-metaballs to demonstrate use of embedded shaders.
Fixed shader to output alpha 1.0.
Fixed include path to be relative to input file. Issue #34.
add functionality to measure text without rendering it