git host fixed

app/models/key.rb

@@ -19,7 +19,7 @@ class Key < ActiveRecord::Base
   end
 
   def update_gitosis
-    GitoProxy.system.new.configure do |c|
+    Gitlabhq::GitHost.system.new.configure do |c|
       c.update_keys(identifier, key)
 
       projects.each do |project|
@@ -29,7 +29,7 @@ class Key < ActiveRecord::Base
   end
 
   def gitosis_delete_key
-    GitoProxy.system.new.configure do |c|
+    Gitlabhq::GitHost.system.new.configure do |c|
       c.delete_key(identifier)
 
       projects.each do |project|

app/models/project.rb

@@ -95,6 +95,10 @@ class Project < ActiveRecord::Base
     notes.where(:noteable_id => commit.id, :noteable_type => "Commit")
   end
 
+  def has_commits?
+    !!commit
+  end
+
   def add_access(user, *access)
     opts = { :user => user }
     access.each { |name| opts.merge!(name => true) }