Merge branch 'master' of github.com:documentcloud/visualsearch

* 'master' of github.com:documentcloud/visualsearch:
  Autocomplete dosn´t open if the preserveMatches option is true
Fixing flicker when selecting facet but then the first option is selected for 500ms then deselected on its own. (jQuery UI is being a bit over aggressive in offering focus back to the input.)