(refs #33)Small fix for pull request #45.

src/main/scala/app/IssuesController.scala

@@ -62,12 +62,9 @@ trait IssuesControllerBase extends ControllerBase {
     val issueId = params("id")
 
     getIssue(owner, name, issueId) map {
-      val comments = getComments(owner, name, issueId.toInt)
-      val participantSet = comments.foldRight(Set(owner)) { (comment, set) => set + comment.commentedUserName }
       issues.html.issue(
           _,
-          comments,
-          participantSet,
+          getComments(owner, name, issueId.toInt),
           getIssueLabels(owner, name, issueId.toInt),
           (getCollaborators(owner, name) :+ owner).sorted,
           getMilestones(owner, name),

src/main/twirl/issues/issue.scala.html

@@ -1,6 +1,5 @@
 @(issue: model.Issue,
   comments: List[model.IssueComment],
-  participants: Set[String],
   issueLabels: List[model.Label],
   collaborators: List[String],
   milestones: List[model.Milestone],
@@ -83,8 +82,10 @@
         </div>
       </div>
       <div class="issue-participants">
-        @participants.size participants
-        @participants.map { participant => @avatar(participant, 20) }
+        @defining((issue.openedUserName :: comments.map(_.commentedUserName)).distinct){ participants =>
+          <strong>@participants.size</strong> @plural(participants.size, "participant")
+          @participants.map { participant => <a href="@url(participant)">@avatar(participant, 20, tooltip = true)</a> }
+        }
       </div>
       @comments.map { comment =>
         @if(comment.action != "close" && comment.action != "reopen"){