Summary: Ref T3166. I moved the create logic into a static method in the editor class to keep things tidy.
Test Plan: created a conpherence from UI. purdy. tried errors and got UI to show "required". for conduit, created a thread with all the bells and whistles and it worked. verified i got proper exceptions with bum conduit calls
Reviewers: epriestley
Reviewed By: epriestley
CC: chad, aran, Korvin
Maniphest Tasks: T3166
Differential Revision: https://secure.phabricator.com/D6083
