Bump Polymer and x-html versions in bower.json. Fix mockServer filter
Fix mock server for demos.
Global setModelValue function added, to give HTML attribute event handlers access to the model's property. (As `Node` extension was removed from x-html code)
ignore WebStorm files
fix <polymer-ui-menu-item href="..."> for Chrome stable
add beforeSend callback for hackability (one project uses puppet.xhr internally)
remove redundant code
Use `ShadowDOMPolyfill` namespace for global `wrap`, for  clarity
Bump x-html version
v0.1.6