Revert "First step with rugged"

This reverts commit 4524ba20.

Gemfile

@@ -22,7 +22,6 @@ gem 'omniauth-twitter'
 gem 'omniauth-github'
 # Extracting information from a git repository
-gem 'rugged', '~> 0.17.0.b7'
 gem "gitlab-grit", '~> 1.0.0', require: 'grit'
 gem 'grit_ext', '~> 0.8.1'

Gemfile.lock

@@ -397,7 +397,6 @@ GEM
     ruby-progressbar (1.0.2)
     rubyntlm (0.1.1)
     rubyzip (0.9.9)
-    rugged (0.17.0.b7)
     sanitize (2.0.3)
       nokogiri (>= 1.4.4, < 1.6)
     sass (3.2.7)
@@ -566,7 +565,6 @@ DEPENDENCIES
   redcarpet (~> 2.2.2)
   redis-rails
   rspec-rails
-  rugged (~> 0.17.0.b7)
   sass-rails (~> 3.2.5)
   sdoc
   seed-fu

app/models/repository.rb

@@ -34,10 +34,6 @@ class Repository
     @repo ||= Grit::Repo.new(path_to_repo)
   end
-  def rugged
-    @rugged ||= Rugged::Repository.new(path_to_repo)
-  end
-
   def commit(commit_id = nil)
     Commit.find_or_first(repo, commit_id, root_ref)
   end
@@ -68,17 +64,17 @@ class Repository
   # Returns an Array of branch names
   def branch_names
-    branches.map(&:name).sort
+    repo.branches.collect(&:name).sort
   end
   # Returns an Array of Branches
   def branches
-    rugged.branches.sort_by(&:name)
+    repo.branches.sort_by(&:name)
   end
   # Returns an Array of tag names
   def tag_names
-    rugged.tags.sort.reverse
+    repo.tags.collect(&:name).sort.reverse
   end
   # Returns an Array of Tags