Merge pull request #7 from Kunstmaan/ga-dashboard-maintenance

fixed empty date bug
Tweak first run and loading behaviour
Remove conversions label
Upgrade morris to fix the graphing errors on resize
Huge code cleanup based on PHPStorm inspections
Source formatting
Fix wrong user metrics
Correct the loading of the goals
Remove the current day
Fix and improve goal charts
Move the code to the GA classes
Logical ordering
Update DashboardAnalyticsWidgetSetup.md
merge with master
merge with master