add checkbox for TimeSeries in UI designer file
Merge pull request #631 from treymarc/widget_xyplot_timeserie_patch

add checkbox for TimeSeries in UI designer file
Merge branch 'master' of github.com:mavlink/qgroundcontrol into thread_test

mit.
Added option to reset all settings
Merge branch 'thread_test' of github.com:mavlink/qgroundcontrol into thread_test