Fixed handling of analog sticks.

Still a bit wonky, though. There was also a weird state corruption possible, where you would be
moving around menus and binding controls and the same time, but I *think* I've fixed it.
Check for conflicting bindings
Holy shit, there's TWO different kinds of arrows in this font!
Use SDL_image
More explicit state
Small font
Add Makefile

Because maintaining it outside of the repo is a pain, and I have no idea how to tweak CMake.
Future-proofing for variable-width fonts
Merge branch 'master' of https://github.com/LordKaT/Wyrmwick

Conflicts:
	src/include.h
	src/menu.cpp
	src/settings_menu.cpp
Fix menu
Unload SDL_image properly
Remove directory listing test
Add SDL_image to dependencies
Tweaks
Merge pull request #11 from staven/master

Menus and bindings and stuff