Merge pull request #47 from mutability/flightradar-compat-fix

Always emit a message reception time, as otherwise the FR24 uploader is unhappy.
Merge remote-tracking branch 'origin/pr/46'
Merge pull request #43 from mutability/more-stats

Add --stats-every option, add sample block counters
Merge pull request #42 from mutability/prefer-global-cpr

Prefer to use global CPR decoding where possible.
Make Pull # compatible with Pull #42
Merge pull request #35 from mutability/use-repaired-checksums

Check if bit correction happened before bailing out due to a bad CRC.
Merge pull request #45 from mutability/net-client-eof-handling

Detect client EOF properly. Handle EWOULDBLOCK.
Change the marker color for aircraft with no recent updates.
Merge branch 'show-stale-planes' into oversampling