Corrected the url generated for to get the widget.

The url generator now change the parameter "widget_type" to wide or narrow.

An effect was added for show/hide the url generator.
Added the checkbox for active the 'banner' attribute.
Added the support for the 'banner' attribute in the url generator.
Merge with development: Added the support for the 'banner' attribute in the url generator.
Added support for responsive design in the code generator.
Conflict resolved between branch zoek/development and codeando/development.
Merge pull request #17 from zoek1/development

Corrected the url generated to get the widget.