fix: Add max value to serie configuration in widget diagram, to re-use it after
fix: Remove unused code and avoid nested if
fix: Improve cwidget initComponent()
change interval display for aggregation in aggregating a set of points with the minimal time value instead of the maximum like in previous version. Line graph widget display specific aggregation interval date. Clean code in removing comments.
fix: Modify event in pyperfstore2.work() but still store perfdata in internal thread
Merge branch 'develop' into live-reporting
fix: Live reporting for Trends Widget