fixed bug in search/browse functionality that caused displayed bibliographies not to be updated correctly, due to an out-of-sync browse-mode status; stopped browse menus from propogating scroll event to ancestor elements when bottom or top of menu was reached
turned small-screen browse/search menu display to an left-screen offcanvas
commit of compiled css files, following offscreen updates
boot-xsl updates to accompany offscreen browse/search menus for small screens