CORE-256 view support for multiple auditors in tree view - modal to follow
CORE-256 Multiple auditors now in Create/Edit Audit modal as well as tree view
Removing recommendation to move toggle helper to ggrc core, since it is now there
Added AuditObject model (w/ service) and mapped it to Objective
Client side models and workflow update for AuditObject
Migration for linking requests to objectives through audit_objects table, with model changes
Display of objectives through audit_object -- no modal support yet
Preliminary changes for request modal.  Please see comments in audit_models.js line 298
Updating migrations to show and enforce time order and support audit object type.
CORE-327 Adapted UI to allow only new Audits to be make against Constrols, while existing ones can be made against Objectives
CORE-273 adding reset button to task filters
Make reset filters button work
Removed unused, unfinished compute from Request model
Fixing downgrade step so only objective requests get preserved
Fixing edit case for audit modal's auditors
Enable real-time-emails by switching on the cron job.
Merge pull request #1903 from reciprocity/hotfix/enable-deferred-emails

Enable real-time-emails by switching on the cron job.
Fixed mustache helpers around auditor (support multiple auditors), and prevent auditors from creating UserRoles during request/audit edit
Merge branch 'develop' into feature/multiple-auditors

Conflicts:
	src/ggrc/assets/mustache/audits/modal_content.mustache
Ensuring tooltips do not show up in the corner after autocomplete is selected