Workflow --> Work
Minor changes
Merge branch 'setten-master'

Conflicts:
	pymatgen/io/abinitio/utils.py
	pymatgen/io/abinitio/workflows.py
 WorkFlow --> Work, G0W0_Workflow --> G0W0Work
Unit tests OK
Merge pull request #23 from setten/master

passes the tests...
Remove print
Fix conflicts
tiny things ..