Merge pull request #2 from EdenSG/master

Losslessly compress all images
tracking stats for leaderboards
Merge branch 'master' of github.com:fightforthefuture/battleforthenet-widget
close button no longer displays on embedded version
new readme tweaks
examples for custom URL
Update README.md

Small tweak to make custom URLs more obvious.
Update README.md
new style banners with new spinner
Merge branch 'master' into gh-pages
change banner shadow color
new banner demo image
old-style spinner removed from banner less source, displays for 1 extra second
ssl fail, whoops
new spinner style in modal
text change
Bring this fork up to date