Update for Widget Runtime

A new version of Widget runtime (1.1.0) is now out. It contains the following changes:
* Refactored architecture so that each widget is ran on it's on process
* Implemented support for WAC Webview API
* System's 'application not responding' dialog should now have correct widget name in case JavaScript is taking too long to execute
* Improved responsiveness during JavaScript-heavy operations by processing event loop
* Fixed upgrading a widget with version in format x.y to x.y.z to be considered a newer version if x, y and z are numbers
* Fixed uninstalling a widget not cleaning up any included hidden files
* Fixed links that use _blank as target
* Implemented error page for URLs that couldn't be fetched

More coming a bit later...