Merge pull request #5 from fh-koeln/2013-10-10-git

First version of the git slides
Update README.md
added brackets presentation

added and updated the brackets introduction
updated brackets introduction

update to work with the changes of the presentation framework
renamed folder of brackets introduction
Git session: Fixes
revealjs-demo/ => yyyy-mm-dd-lehreinheit/
added slides - wba1 kickoff
Merge pull request #6 from fh-koeln/2013-10-10-wba-1-kickoff

added slides - wba1 kickoff
Add wba1 kickoff and brackets basics to the webpage
Fix my name and the author / title meta data.
Merge branch 'gh-pages' into 2013-10-10-git
Update "why git? why github"