Move statemachine documentation, was included in wrong header
Do not include source files in documentation
Merge pull request #604 from matthiasbeyer/remove-src_files_from_doc

Do not include source files in documentation
Merge pull request #603 from matthiasbeyer/fix-doc

Move statemachine documentation
Add module for finding GLES2
Add requirement for GLES2 to global CMakeLists.txt
Use GLES2 in utils
Add basic format and query function
Use new format in buffers
Only allow RBGA and RGBX for now...