made DiffusionHomeController use commit summaries

Summary: Latest commit in repositories are displayed together with their summaries if available

Test Plan:
Diffusion did not crash - a good sign

commit summaries also only appear on Diffusion Home //only// - as expected

Reviewers: epriestley, btrahan, chad

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5117

Author: AnhNhan

src/applications/diffusion/controller/DiffusionHomeController.php

@@ -130,15 +130,15 @@ public function processRequest() {
             'href' => '/diffusion/'.$repository->getCallsign().'/',
           ),
           $repository->getName()),
-        $repository->getDetail('description'),
         PhabricatorRepositoryType::getNameForRepositoryType(
           $repository->getVersionControlSystem()),
         $size,
         $lint_count,
         $commit
           ? DiffusionView::linkCommit(
               $repository,
-              $commit->getCommitIdentifier())
+              $commit->getCommitIdentifier(),
+              $commit->getSummary())
           : '-',
         $date,
         $time,
@@ -166,7 +166,6 @@ public function processRequest() {
     $table->setHeaders(
       array(
         'Repository',
-        'Description',
         'VCS',
         'Commits',
         'Lint',
@@ -177,11 +176,10 @@ public function processRequest() {
     $table->setColumnClasses(
       array(
         'pri',
-        'wide',
         '',
         'n',
         'n',
-        'n',
+        'wide',
         '',
         'right',
       ));
@@ -190,7 +188,6 @@ public function processRequest() {
         true,
         true,
         true,
-        true,
         $show_lint,
         true,
         true,

src/applications/diffusion/view/DiffusionView.php

@@ -113,11 +113,16 @@ final public static function nameCommit(
 
   final public static function linkCommit(
     PhabricatorRepository $repository,
-    $commit) {
+    $commit,
+    $summary = '') {
 
     $commit_name = self::nameCommit($repository, $commit);
     $callsign = $repository->getCallsign();
 
+    if (strlen($summary)) {
+      $commit_name .= ': ' . $summary;
+    }
+
     return phutil_tag(
       'a',
       array(