Merge pull request #56 from Spencer-Allen/master

Added Flickr photos to the events page with the tag "JSLA"
Updates @lehni's presentation abstract
Merge branch 'master' of github.com:jsla/js.la
Merge pull request #57 from jxson/master

May 30th updates
add newsletter link to all pages
June updates
Merge branch 'master' of github.com:jsla/js.la
Merge pull request #59 from jxson/master

June updates
Update past-events.html