play around effect generation - have one noise source emulate wind and another clowds above the meadow
Merge branch 'master' into multilayer-noise

Conflicts:
	go.py
cram all rendering into one C file, forget the bitmap pushing, it's too slow to generate a larger bitmap and then extract pixels from it on Raspberry Pi. Oh well, here goes my idea to provide a bitmap sink
some noise configuration. more roughtness and speed for the background
refactor noise rendering code a bit, we could really benefit from passing a list of noiseparams from python
Noise generation refactoring - pass all the parameters for noise generation from python
merge