Jan 10, 2014

Done:
-Added Keyboard.
-Added Declaration, which includes forward declarations to all
global-scope structs and classes.
-Added entities.elst and entities.edef as sample files.
- Changed Game to non-singleton.
-Added LOG_ERROR for error logging.
-Changed all parameters starting with an underscore to preserve
encapsulation better.

To do:
-Improve documentation.
-Implement IO functions for Entity objects.
-Implement Mesh copy/assignment.
-Improve vertex specification in Mesh class.