PEP-8 compliant line lengths
Merge branch '6.1' into 7.0: fix PEP-8 issues

Conflicts:
	purchase_order_webkit/__openerp__.py
	purchase_order_webkit_with_notes/__init__.py
	purchase_order_webkit_with_notes/report/__init__.py
Merge branch '7.0' into 8.0: fix PEP-8