Summary:
Add important objectives (like waygates and quest markers) to the minimap.
This also probably fixes @cspeckmim's bug with the {key @} keyboard shortcut.
Test Plan:
(This is probably easier to undestand if you `arc patch` + click around.)
{F4966037}
Reviewers: chad, amckinley
Reviewed By: chad
Subscribers: cspeckmim
Differential Revision: https://secure.phabricator.com/D17955
