Added dev notes. Re-factored code so my new Game class gets used.
Added SDL Event wrapper class. Changed code accordingly to implement it.
reformated the notes markup
Updated the dev log.

Passed the spell checker to what I wrote, I was so sleepy that even though everything was in order the writing was sloppy.
Updated .gitignore

Added the Emscripten compilation output folder.
Changed OnExecute signature back to return an int.
Added TODO comment to the SetGLOrtho function
Merge pull request #1 from rroa/BasicSDLAppSetup

Basic sdl app setup