Mock basic data server api.

TODO: instead of storing one data set for one type
of graph, have one data set use query to get 
slices of it suitable for the graph we want to 
create.
Add dataset service
The controller uses data form the server
Adds SVG config value.

Holds the viewbox dimension of the SVG element.
Changes data structure...

...and put the implemented SVG markup in a partial

Each graph type will have its own partial.
Move the building of the svn
Add grouped boxplot graph
Merge pull request #3 from dinoboff/master

Add 2nd graph