Changed the drop off graph to show number instead of % and also added % to the hover.
Created a second row in the hover to show the percetage
Removed one set of data series from  the drop off graphs.
Copy changes based on Lupe's feedback
Merge branch 'master' into tweaks-on-drop-offs-module

Conflicts:
	app/assets/javascripts/lpa/controllers/overview.js
Remove unnecessary class
Avoid overlap of conversion graph callout with bar labels
Remove unused class file
Merge pull request #221 from alphagov/tweaks-on-drop-offs-module

Tweaks on drop offs module