Add digraph
Update digraphs
Update chart formatting
Remove nvd3
Add user chart settings config dialog
Add user general settings dialog
Add IndexedDB
Update user configuration dialogs
Update CSS
Initial use of localStorage
Add localStorage cache
Cache working - no indexing.
Update charting to allow multiple series
Add digraph directive
Fix error if only single element returned
Reset zoom when updating chart.
Fix error passing numbers
Remove IndexedDB
Chart updated to add repeatValue
Update packages - remove indexed and add colour picker