updated sprint images
new responsive tables gif, responsive tables demo
Merge pull request #27 from esteinborn/Craig

Craig to master
better mobile usage graph and slide changes
Merge branch 'master' of https://github.com/esteinborn/excelsior-presentation

Conflicts:
	img/sprint1.jpg
	img/sprint2.jpg
	index.html
Merge pull request #31 from esteinborn/master

Master to Craig