Change "some commits hidden" message

app/views/projects/commits/_commit_list.html.haml

@@ -9,6 +9,6 @@
       - commits.each do |commit|
         = render "projects/commits/inline_commit", commit: commit, project: @project
       %li.warning-row.unstyled
-        other #{hidden} commits hidden to prevent performance issues.
+        #{number_with_delimiter(hidden)} additional commits have been omitted.
   - else
     %ul.well-list= render commits, project: @project

app/views/projects/commits/_commits.html.haml

@@ -18,4 +18,4 @@
 
 - if hidden > 0
   .alert.alert-warning
-    Not shown: #{hidden} more commits
+    #{number_with_delimiter(hidden)} additional commits have been omitted.