Added Gitlab::Access module

lib/gitlab/access.rb

+# Gitlab::Access module
+#
+# Define allowed roles that can be used
+# in GitLab code to determine authorization level
+#
+module Gitlab
+  module Access
+    GUEST     = 10
+    REPORTER  = 20
+    DEVELOPER = 30
+    MASTER    = 40
+    OWNER     = 50
+
+    class << self
+      def values
+        options.values
+      end
+
+      def options
+        {
+          "Guest"     => GUEST,
+          "Reporter"  => REPORTER,
+          "Developer" => DEVELOPER,
+          "Master"    => MASTER,
+        }
+      end
+
+      def options_with_owner
+        options.merge(
+          "Owner" => OWNER
+        )
+      end
+
+      def sym_options
+        {
+          guest:     GUEST,
+          reporter:  REPORTER,
+          developer: DEVELOPER,
+          master:    MASTER,
+        }
+      end
+    end
+
+    def human_access
+      Gitlab::Access.options_with_owner.key(access_field)
+    end
+  end
+end