Reads date check zfill
Merge branch 'master' of github.com:PLOS-Web/xmlgroomer
CC0 copyright link groom updates

Conflicts:

	xmlgroomer.py
CC0 copyright link groom updates

Conflicts:

	xmlgroomertest.py
Merge branch 'license'
Updates collection month check to only applie to PONE
Merge branch 'master' of github.com:PLOS-Web/xmlgroomer
Adds comments and missing verify() for fix_collection tests
Adds missing verify()s to CC copyright link fix tests
Merge branch 'master' of github.com:PLOS-Web/xmlgroomer

Conflicts:
	xmlgroomertest.py