Summary: ...and get the basic edit flow "working" for a new NuanceSourceDefinition - the Phabricator Form. ...and fix a dumb bug in the query class so when you redirect to the view page / try to edit an existing NuanceSource you don't fatal.
Test Plan: played around with the edit form and it worked!
Reviewers: epriestley
Reviewed By: epriestley
CC: Korvin, epriestley, aran
Differential Revision: https://secure.phabricator.com/D7585
Summary: another little piece here that basically just adds some permissions to source editing. serving it up before I do anything too complicated to make sure it seems kosher. in terms of what comes next this form needs to be dynamic based on source type so there'll be some fun there. That said, I plan to implement a more simple "phabricator form" only version to start here and flesh out a few other things like queues with that.
Test Plan: set permission to no one for source edit and got a nice error page.
Reviewers: epriestley
Reviewed By: epriestley
CC: Korvin, epriestley, aran
Differential Revision: https://secure.phabricator.com/D7535
