Add SCHEDULER_DETERMINISM field (#708)

Author: haslinghuis

js/flightlog_fields_presenter.js

@@ -911,7 +911,7 @@ function FlightLogFieldPresenter() {
             'debug[4]':'Minimum Gyro period in 100th of a us',
             'debug[5]':'Maximum Gyro period in 100th of a us',
             'debug[6]':'Span of Gyro period in 100th of a us',
-            'debug[7]':'Not Used',
+            'debug[7]':'Gyro cycle deviation in 100th of a us',
         },
         'TIMING_ACCURACY' : {
             'debug[all]':'Timing Accuracy',