Add a more verbose dashboard event feed

- Add project name to event title
- Push: Entry links to single commit or commits overview depending on number of pushed commits
- Push: Display first 15 commits with commit message and author and link to single commit
- Issues: Display issue description

app/views/dashboard/index.atom.builder

@@ -12,6 +12,7 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom", "xmlns:media" => "http://sear
       xml.entry do
         event_link = event.feed_url
         event_title = event.feed_title
+        event_summary = event.feed_summary
 
         xml.id      "tag:#{request.host},#{event.created_at.strftime("%Y-%m-%d")}:#{event.id}"
         xml.link    :href => event_link
@@ -22,7 +23,7 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom", "xmlns:media" => "http://sear
           xml.name event.author_name
           xml.email event.author_email
         end
-        xml.summary event_title
+        xml.summary(:type => "xhtml") { |x| x << event_summary unless event_summary.nil? }
       end
     end
   end

app/views/events/_event_issue.atom.haml

@@ -0,0 +1,2 @@
+%div{:xmlns => "http://www.w3.org/1999/xhtml"}
+  %p= simple_format issue.description

app/views/events/_event_push.atom.haml

@@ -0,0 +1,14 @@
+%div{:xmlns => "http://www.w3.org/1999/xhtml"}
+  - event.commits.first(15).each do |commit|
+    %p
+      %strong= commit.author_name
+      = link_to "(##{commit.short_id})", project_commit_path(event.project, :id => commit.id)
+      %i
+        at
+        = commit.committed_date.strftime("%Y-%m-%d %H:%M:%S")
+    %blockquote= simple_format commit.safe_message
+  - if event.commits_count > 15
+    %p
+      %i
+        \... and
+        = pluralize(event.commits_count - 15, "more commit")