changes to user settings to support displaying power line
helped method to clear certain data points from erg data
run controller now has erg data to display

better matches the already displayed chart than the recorded data due to how the user can skip back and forth
working version of charts with actual power data plot
Large refactoring effort focused on the chart view

The original chart library was so heavily hacked that it was but a shadow of its former self. Animating the line drawings were maxing out the cpu resulting in poor scroll performance
new overlay view for the chart to show power on y axis