clean up

clean up; mostly js
image optimization

ran images through kraken.io for optimization. here's a screenshot total
weight loss:
http://bowdenweb.com/a/i/dev/landing-page-kraken.io.png
Merge pull request #13 from jalbertbowden/gh-pages

clean up and img wpo
checkins

took past event id out from checkins function....not sure how that got
back in or was never taken out. my bad.
Merge pull request #14 from jalbertbowden/gh-pages

meeetups checkins
Merge remote-tracking branch 'upstream/gh-pages' into gh-pages

Conflicts:
	index.html