Pull data live from geoserver.

Also added jquery as a dependency, mainly for ajax, but maybe for
other stuff later.
Merge pull request #1 from BenSpecht/master

Added a key to the map.
Merge remote-tracking branch 'origin/master'

Conflicts:
	map.html
WIP (untested): refactored code to support both index and service layers.
Moved existing code to client folder, so server can live in this repo too.
Colorising the data set