fix #534 aria.utils.Path accepts keys starting with $ when parsing the path
fix #532 removing unnessary type cast in splitter
fix #533 Double Slider wrong border width

Fix the border computation in Firefox
refactor Datamodel in playground - npm start

Some changes in npm start to

* Pass a datamodel to the template displayed in the playground
* Use a DIV logger in playground
* Fix an issue with IE7 buttons not clickable

Close #528
fix #517 Checkbox color inherit

IE7 and browsers in IE7 mode throw an error when trying to set the style color to 'inherit'
fix #535 typo in EmbedController

Rename onEmbeded* with onEmbedded*
fix #524 slider height issue

Slider height is 0 in some browsers

Close #536