removed tags from repo activities

app/models/repository.rb

@@ -113,7 +113,7 @@ class Repository
   end
 
   def commits_with_refs(n = 20)
-    commits = repo.refs.map { |ref| Commit.new(ref.commit, ref) }
+    commits = repo.branches.map { |ref| Commit.new(ref.commit, ref) }
 
     commits.sort! do |x, y|
       y.committed_date <=> x.committed_date

app/views/repositories/_head.html.haml

 .merge-tabs.repository
   = link_to project_repository_path(@project), :class => "activities-tab tab #{'active' if current_page?(project_repository_path(@project)) }" do 
     %span
-    History
+    Activities
   = link_to branches_project_repository_path(@project), :class => "tab #{'active' if current_page?(branches_project_repository_path(@project)) }" do 
     %span
     Branches