ProtectedBranches model, Master permission for repo\n Allow push to protected branch for masters only

db/migrate/20120215182305_create_protected_branches.rb

@@ -0,0 +1,10 @@
+class CreateProtectedBranches < ActiveRecord::Migration
+  def change
+    create_table :protected_branches do |t|
+      t.integer :project_id, :null => false
+      t.string :name, :null => false
+
+      t.timestamps
+    end
+  end
+end