* If the page is locked down to certain tags, make sure allTags doesn't include anything not on that list, as you would never see any results
* "Trending tags" pays attention to whether each tag appears at all for this page
* Maps overhauled to autocenter and autozoom when filters of any variety are present
* Maps overhauled in functional style
* Mopped up more global variables, added a 'filter' event on the map's element to achieve the same goal