Experimenting with LW-wide search
Some global search tweaks.
Some search CSS tweaks.
solr 3.5 + regions-in-solr-conf
Autocomplete + global search.

Adding a bunch of stuff here. Using new twitter typeahead.
Will require more tweaking. Next step is to use the typeahead
for all our autocomplete fields.
"search all of LW" on region search pg
Merge branch 'global_search' into hub