Added simple mqtt highscore support using test.mosquitto.org.
No mosquitto needed anymore. If highscore is wanted please install mosquitto for python (using pip for example)
Merge branch 'mqtt'

Conflicts:
	scripts/snake.py
added an example level
added some code to load levels
use terminal colors for curses instead of a black bg
merge
added some more documentation
don't place food into walls
bugfix agains walls...
added level to test anti-wall-placement and fixed it
added another level
slower blink frequency for the food
added settings file
added classic level
p for pause
Some bugs fixed
Fixed unnecessary bug.