Added rudamentary search.

Still missing location data. Try to search for ‘kids’.
Search works now

Also added data for the upper floors.
First flor still missing.
Updated Database and minor fixes.
Merge branch 'gh-pages' of git://github.com/Viehzeug/30c3-map into Viehzeug-gh-pages

Conflicts:
	index.html
"style guide"
optimizing things