Since change I6fea9f8d55c7a38ac293057681874e9b480341ed,
it has added support for per project private config instead of doing
it globally.
Change-Id: I72767ae5be0344d5275da1c41253f3284978c10a
* This adds a new page called Project Command accessed by navigating to
<url>/projects/<project>,commands
* This supports creating a change through the new dialog (though note
you can't edit any files, will have to switch to gwtui to do that)
* Supports creating the change as a private and wip or one or the other.
* Supports the Run GC button allowing you to run gc on projects.
Feature: Issue 5232
Change-Id: Ibd3507c0fdb84303c8a978e3ea87f251582b13e8
