use relative paths for data_files

this way they'll be installed relative to the $prefix, not in a hardcoded
location
list dependencies in setup.py

so pip can pull in all the deps
don't use a hardcoded prefix and install-lib

This way it should be possible to install into a virtualenv.

I'm not sure how to specify a 'default prefix' exactly...
Merge branch 'master' into add_requirements
Merge branch 'master' into add_requirements
Merge branch 'master' into add_requirements
use the correct daemon library
Merge branch 'add_requirements' into support_host_bumped2

Conflicts:
	setup.py