Make the site title span fill the width of the block
Ensure the WDN jQuery namespace is set prior to loading a jQuery plugin
Make sure the empty elements are hidden from navigation breakpoints
Update preview tool to latest beta template
Merge branch '4.0' of github.com:unl/wdntemplates into improve_preview_tool

Conflicts:
	scripts/public/UNL_Templates-1.4.0RC1.phar
	scripts/public/preview.php