Fix cleanup being private

Author: dariusf

lib/git_repo.rb

@@ -60,6 +60,10 @@ def diffs
     end
   end
 
+  def cleanup
+    FileUtils.rm_rf(repo_local_path)
+  end
+
 private
 
   def make_temp_dir(project_name)
@@ -76,10 +80,6 @@ def clone(project_path)
     Rugged::Repository.new(project_path)
   end
 
-  def cleanup
-    FileUtils.rm_rf(repo_local_path)
-  end
-
   def build_commit_hash(commit)
     # Make a hash that looks a bit like GitHub commit
     {