Move graph module from lib or vendor directory to app directory.

app/controllers/graph_controller.rb

@@ -20,7 +20,7 @@ class GraphController < ProjectResourceController
     respond_to do |format|
       format.html
       format.json do
-        graph = Gitlab::Graph::JsonBuilder.new(project, @ref, @commit)
+        graph = Graph::JsonBuilder.new(project, @ref, @commit)
         render :json => graph.to_json
       end
     end

app/controllers/projects_controller.rb

-require Rails.root.join('lib', 'gitlab', 'graph', 'json_builder')
-
 class ProjectsController < ProjectResourceController
   skip_before_filter :project, only: [:new, :create]
   skip_before_filter :repository, only: [:new, :create]

lib/gitlab/graph/commit.rb → app/models/graph/commit.rb

 require "grit"
 
-module Gitlab
-  module Graph
+module Graph
   class Commit
     include ActionView::Helpers::TagHelper
 
@@ -48,5 +47,4 @@ module Gitlab
       @refs ||= []
     end
   end
-  end
 end

lib/gitlab/graph/json_builder.rb → app/models/graph/json_builder.rb

 require "grit"
 
-module Gitlab
-  module Graph
+module Graph
   class JsonBuilder
     attr_accessor :days, :commits, :ref_cache, :repo
 
@@ -36,10 +35,10 @@ module Gitlab
       @commits = Grit::Commit.find_all(repo, nil, {topo_order: true, max_count: self.class.max_count, skip: to_commit}).dup
 
       # Decorate with app/models/commit.rb
-        @commits.map! { |commit| ::Commit.new(commit) }
+      @commits.map! { |commit| Commit.new(commit) }
 
       # Decorate with lib/gitlab/graph/commit.rb
-        @commits.map! { |commit| Gitlab::Graph::Commit.new(commit) }
+      @commits.map! { |commit| Graph::Commit.new(commit) }
 
       # add refs to each commit
       @commits.each { |commit| commit.add_refs(ref_cache, repo) }
@@ -264,5 +263,4 @@ module Gitlab
       end
     end
   end
-  end
 end