start building a query
Validate dtpicker input with visual feedback
Nicer color for invalid
Seperate out the javascript files from the templates
dtrange wont allow start before end
Try representing the more complicated model

 - We creat a set of plots from a spec
 - We collect together a dataset from multiple
   queries
Building datasets mostly working
Lots of updates

Data grouping is now  working
Spec loading done by a seperate element