Add TOC

Plus set heading levels and
Fix a typo
Fix JS example code to be the same as in its description.
Merge pull request #2 from thamas/master

Add TOC by @thamas
Update CONTRIBUTORS.md
Update CONTRIBUTORS.md
Update README.md
Update README.md
Update README.md
Delete index-multi.html
Update at DrupalCamp
Update at DrupalCamp
Update at DrupalCamp
Update to gitbook
Remove subdir, rename file
 Remove chapter folder
Update README.md
Late night working
Merge conflict
Javascript update