fixing PORTAL-897
fixing merge #23 by removing this.btn.attr('href', 'javascript:void(0)'
Merge remote-tracking branch 'upstream/develop' into widget-dropdown

* upstream/develop:
add popup with arrow example
fix dropdownMenu toggle glitch in firefox
fixing popup test
Merge pull request #27 from AuthoringUI/widget-dropdown

merging pull request #27
removing duplicate css include