Added some styling and minor functionality tweaks to TreeView.js
Added some styling and minor functionality tweaks to TreeView.js

foam-framework/foam2,jacksonic/vjlofvhjfgm,jacksonic/vjlofvhjfgm,foam-framework/foam2,jacksonic/vjlofvhjfgm,foam-framework/foam2,foam-framework/foam2,foam-framework/foam2