Eager load group projects to avoid N SQL queries.
Adds missing thead tags (#5440).
tagged version 0.9.4
Refactor: move Project Calendar to it's own controller.
Fixing indentation.
Adds trackers to individual project XML (#5342).
Adds issue relations to individual issue XML (#5305).
Merged r3727 from trunk for 0.9.4 release.
Updates for 0.9.4 release.
Merged r3725 from trunk.