current search, not lastSearch
only add search when has results
preserve only the last 10 searches
cache last 5, search_queried receives searchModel
searches dropdown can be destroyed by an glyphicon-remove
MoviesMVC.vent.on: search_queried --
search_queried - this.updateDropdownTitle
removing this.updateDropdownTitle
do not add repeated search
IMovies, can search by year with a single click
iMovies ranges
made thumbs routes to work. movie detail is cached now