added favicon
Merge branch 'master' of github.com:sfu-natlang/lensingwikipedia
added favicon
Calling map clear button
add map clear class to button
Merge pull request #73 from sfu-natlang/map_bug

Map bug fixed.
new spiders
data-prepration has been updated with new crawler and using co-reference resolution
Removed some unused code.
Fixed event number output in the clustering log.
Fixed bug with updating a whoosh index in place during clustering that was causing some events to not have reference points.
Removed old debugging log output.
Meged changes from master.