latest jqtree

Conflicts:
	htdocs/lib/dependencies_bundle.min.js
upgrade jquery to eliminate toggler display bug

jQuery 1.7 animation was setting overflow:hidden on elements
and not restoring, clipping the toggler control

Conflicts:
	htdocs/lib/dependencies_bundle.min.js
center jqtree toggler vertically
revert jqtree.css and override ugly default properly