Add definition of the sub indicator
Different visualisations for indicators with subindicator data
Merge branch 'handle-sub-indicator-data' into sub-indicator-graph

* handle-sub-indicator-data:
  Start properly documenting the indicator definitions
Merge branch 'handle-sub-indicator-data' into sub-indicator-graph

* handle-sub-indicator-data:
  Add definition of the sub indicator
  Document all fields in the indicator definitions
Use correct default vis
Create LineChartView that correctly parses sub indicator data
Add a legend to the line chart
Select colours for lines from a generate range
Remove line fill
Remove pointless rendering animations
Use formatted date for label
Stop listening to events on close
Move legend rendering in to template
Remove console.logs
Revert change to indicator seeding used for testing
Merge pull request #206 from unepwcmc/sub-indicator-graph

Sub indicator graph