Display revision number in history

Test Plan:
Displayed repository.
Displayed repository history.
Wondered that we actually have bunch of commits without a revision.
Displayed blame.
Didn't display merge commit.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D2840

src/applications/diffusion/controller/DiffusionRepositoryController.php

@@ -70,6 +70,7 @@ final class DiffusionRepositoryController extends DiffusionController {
     $history_table->setDiffusionRequest($drequest);
     $history_table->setHandles($handles);
     $history_table->setHistory($history);
+    $history_table->loadRevisions();
     $history_table->setParents($history_query->getParents());
     $history_table->setIsHead(true);