* Removed no longer used code.
* Widgets are now restored in GridsterWidgetDirective after changing a route.
* Widgets now restored after template change in WidgetContainerDirective.
* Added possibility to remove all widgets at once.
* Fixed comments and whitespaces.
* Fixed parameters list.
* Whitespaces
* Added new RGraphWidget for type temperature.
* Added possibility to set chart options.

* Small code improvements.