Merge pull request #9 from boompig/master

Make URLs change when search button clicked
Added front-facing UI for selecting multiple sources.
Merge branch 'master' of https://github.com/ENuge/elasticsearch-gui

Conflicts:
	partials/search.html
Filter for sources
Merge branch 'master' of https://github.com/ENuge/elasticsearch-gui into highlights
Merge pull request #10 from poros/highlights

Source filtering
Search clobber fix