prevent the fixed line from being 1 point long and call redraw when it is set
use two lines on the chart for the trigger: the green one represent the trigger the user wants, the red one represents the trigger currently active (also limits the value of the trigger to 2 decimals)
improve logging
fix a bug: the trigger was not shown if didn't fit in the limits used when the details fragment is reopened.
add the "about" dialog
add details
add copyright
clean chart when resuming
disable touch events if push notifications are not enabled and fix some names
slightly revise chart appearance
add a couple of details about chart and triggers
increase version code