Added Security & Department, added job categories, added superiors.
Here is a small city for you.
Removed some debug info
Merge remote-tracking branch 'george/master' into georgemerge
Added different graphics option.
Can recruit new citizens! PRESS R.
Added help screen and increased initial screen size.
Improved drawing of walls
Significantly improved units screen.
Moved pending jobs list lower.
Implementation for multiple graphic backends.
Very neccesary.
Added a warning label. Tested.
Merge pull request #8 from shadowpho/master

First alternative graphics option: SDL2. Runs at OVER 9000 FPS!
Fixed bug in CMakeLists.txt
Merge remote-tracking branch 'krause/master' into krausepull

Conflicts:
	include/defs.hpp
Added license for fonts
Added security levels and departments to citizens
Fixed bug with security levels
Renamed input.hpp to controller.hpp