Reformat messages.add_message calls to follow PEP 8
|Reported by:||ayleph||Owned by:|
While tracking down some bad message calls in the blog plugin, I came across a number of wildly different styles for the messages.add_message function call. Notably, many of these calls don't adhere to the following PEP 8 guideline.
Arguments on first line forbidden when not using vertical alignment.