Enable running the create_users and create_categories scripts via run_tool_shed.sh
Enable running the create_users and create_categories scripts via run_tool_shed.sh
Fix GUI for f24bb5d.
Pack scripts.
Merge next-stable.
Merge next-stable.
Charts: Allow chart groups to have different number of rows
Clean up/pep8 user controller.
Correct comparisons in user controller.
Remove cruft from user controller.
Combine validation issues so as not to play whack-le-mole at registration time.
Don't validate empty publicnames.  This is required.
Pep8/spacing
Merge next-stable.
Fix server error when registering a new account.
Merge with next-stable.
Force user api to validate creation of new users, raising RequestParameterInvalid on failure to do so.
Merge nextstable.
pep8 api/users controller.
Merge next-stable.