add pizza
Change name Introduction to Ruby slides
Intro to Ruby slides provided by Clara
Merge branch 'intro_ruby'
tweak tweet css
food note
Redo router talk
Merge pull request #41 from calebthompson/master

Redo router talk
Add link to new router talk slides.
just hide the extra tweets as they roll off

to prevent cycling
twitter user, colon
pics in tweets
change layout of workshop-info, show 24 tweets
remove extraneous layout tags
link all tweet hashtags