Added a load testing script
Tiny css tweaks to tooltip and chart
Altered the top bar to avoid the use of dropdowns for views
Tweaked stroke width on stacked chart hover outline
Tweaked margins on top bar
Tweaked the switchPathway code to reuse setChoices
Slightly altered the sankey layout
Add a calculating warning
Add some documentation
Merge branch 'master' of github.com:decc/twenty-fifty