Started to produce d3 versions of main charts
Tweak ordering of drawing so axes are over areas and uses total to sort
Now jitters labels if required and includes a full set of default colours
Now includes GHG chart with stacking areas ok, but labels needing work
Fixed labels on negative series
Now always gives the same colour to the same series
Tweaked to allow labels to go off the bottom of the chart
Move the axis label if it is too wide
Show and hide labels rather than adding and removing them
Added titles to the charts
Hovering now highlights an area
Now has total lines on the chart
Shows the series values at the bottom on hover
Now reports net emissions
Separated stacked area chart into support library
Updated electricity chart using d3
Electricity charts now have context area drawn
Update the compiled assets
Tweaks including automatic decision about whether to show labels or not
Fixed a bug in how labels revealed and hidden