extracting zip file with tests

 On branch master

	modified:   business/save_html5_widget.coffee
	new file:   test/fixtures/widgets/google-maps.wdgt.zip
	modified:   test/save_html5_widget.js
parseWidget() returns data struct

 On branch master

	modified:   business/save_html5_widget.coffee
	modified:   package.json
	modified:   test/save_html5_widget.js
parseWidget() extracts zip file to temp location

 On branch master

	modified:   test/save_html5_widget.js