Moved branding, haiku-gui, notify...

Moved branding, haiku-gui, notify, parser and windows-workaround do
modules folder. Just realised that somebody actually cares about this
project o.o
Updated build script

build.py now uses new paths. Also changed the way unsupported platforms
are handled.
fix dependencies and stuff

Removed pkg_resources, I guess it's python 3 related stuff.
some crazy magic to get it working

something changed, I guess