Merge pull request #1 from brett-patterson/master

Specify traits to TraitsView
Merge pull request #2 from brett-patterson/master

Traits import hook
Add a module which automatically creates views for HasTraits objects.
Add editors for Date and Time traits.
Add an auto_window function that returns a Window instance.
Refactor all the Conditionals into separate enamldefs. Test each editor.
Use the same id in all the editor enamldefs.
Add a button editor.
Add a default editor that uses TraitsView.

Stop using Conditional in favor of Include and a helper function.
Add the ability to customize item labels and tool tips.
Break the trait editor enamldefs out into their own file.
Convert traits_enaml.widget.auto_view from Enaml to Python.
Editor overrides in auto_view.
Merge pull request #4 from enthought/feature/automatic-traits-view

Automatically generate views for HasTraits objects