R1:42a514ec7999

make repository tool fail a little less hard if daemons don't interact nicely

Summary: we were catching a specific exception; just catch all exceptions

Test Plan: viewed repository tool home page

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2155

Differential Revision: https://secure.phabricator.com/D4118