MetroUI 2.0 DP1

First developer preview of MetroUI 2.0

Completely rewritten from scratch, many new features (and bugs). No
structure, more like a proof of concept.

No more "create()", almost everything is done automatically!

Featuring:
• Buttons
• Switches
• Checkboxes
• Radio Buttons
• Range Input
• Input Fields
• Select Lists
• Themes
• Modals
• Application Bars
• Navigation Bars
• Page Transitions (including external page loading)