Hooked up about and help items to website.
Fixed missing continue.
Added "Add Item" and "New Item" to the edit menu.
Added Total Items stats to project.
Added property grid attributes to project object.
Added property grid attributes to content and folder objects.
Fixed title of new project saving dialog.
We no longer close the project before creating the new one.
You can now cancel the content build.
Merge pull request #2509 from SickheadGames/pipeline4

More Pipeline GUI Improvements - Part 2