Pylint fixes

Add print_function import for Python2
Whitespace fix
Hosted site's Month/Year tags are no longer deletable

https://github.com/photo/frontend/issues/1468
Merge branch 'sneakypete81-month_year_tags_undeletable' into development
Merge branch 'sneakypete81-pylint' into development
Merge branch 'development' of git://github.com/photo/openphoto-python