Merge pull request #50 from cameronbwhite/master

Added Git Talk/Workshop by Emily Dunham May 16th
Add link to sages blog
Merge pull request #51 from nightfly19/sage_blog_link

Add link to sages blog
Cancel Event 2014-05-09

Connie Berardi canceled for health reasons.
Merge pull request #52 from finchd/master

Cancel Event 2014-05-09
Updated Git event with description