B"H handle missing JSON plane fields better
Merge branch 'master' into mods
Merge branch 'master' into mods
Merge remote-tracking branch 'origin/master' into web_update
Merge remote-tracking branch 'origin/master' into mods
Merge branch 'mods' into web_update
Merge branch 'web_update'
B"H view1090: sleep a bit between loops

view1090 was using close to 100% CPU before, with the non-blocking
commits and the reconnection code. sleep a bit between loop iterations
to keep CPU usage low.

CPU usage with this addition was down to <1% in testing.
Merge branch 'view1090_net_mods'
Merge branch 'master' into since