Use named routes.
Test for when group does not exist.
No blank option for custom fields marked as required on workflow settings.
Backported r9982 and r9984 from trunk.
Merged r9984 from trunk.
Merged r9982 from trunk.
Remember "Only display used statuses" checkbox value after update.
Hard-coded strings.
Adds option for displaying all statuses on workflow permissions.
Find role and tracker only when param is present.
