Add all static/sass under all installed python packages to compass import paths

config.rb

pythonpath = eval(`python -c 'import sys; print sys.path'`)
additional_import_paths = []
for path in pythonpath
	path << '/*/static/sass'
	for dir in Dir.glob(path)
		additional_import_paths << dir
	end
end
puts 'additional_import_paths: ', additional_import_paths