Split gitolite backend. Use gitolite_config methods moved to separate class

spec/lib/gitolite_config_spec.rb

@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe Gitlab::GitoliteConfig do
+  let(:gitolite) { Gitlab::GitoliteConfig.new }
+
+  it { should respond_to :write_key }
+  it { should respond_to :rm_key }
+  it { should respond_to :update_project }
+  it { should respond_to :update_project! }
+  it { should respond_to :update_projects }
+  it { should respond_to :destroy_project }
+  it { should respond_to :destroy_project! }
+  it { should respond_to :apply }
+  it { should respond_to :admin_all_repo }
+  it { should respond_to :admin_all_repo! }
+end