Avoid use of ^^ to set height of wat-buttons
When HTML changes, update preview but use most recently run version of JavaScript
Merge pull request #76 from barmstro/wat-code-editor

When HTML changes, update preview but use most recently run version of JavaScript
Merge pull request #75 from barmstro/wat-button

Avoid use of ^^ to set height of wat-buttons
Refactored timeline and fixed the layout problem
Added new keyframe editor