Converter example : Converts HTML to HtmlCanvas code

Conflicts:
	sample/converter/converter.js
Fixes #10
Cleans-up widget

Cherry picked from properties branch since not properties/forms specific
Allow rendering on document fragment

Cherry picked from properties branch since not properties/forms specific
Minor clean-up

Cherry picked from properties branch since not properties/forms specific
Fix for failing tests
Merge pull request #11 from foretagsplatsen/cherrypick_properties

Cherrypick changes from the properties branch