Merge tag 'v0.2.0' into develop

upgrade & enhancement
prepare version 0.3.0
update Polymer to 0.5.x
adds dependencies to form2js for IE demo
Allow to unset width and height

if width resp. height is unset the max size for the property is set to 80%
Adds a method when height change
FIX IE demo
Merge branch 'feature/updatePolymer' into develop
Changelog
update version to 0.3.0
Merge branch 'release/0.3.0'