Merge irungentoo/master back into toktok/master.

[iphydf]

This change is 

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[codecov]

Codecov Report

Merging #1282 into master will decrease coverage by 0.1%.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           master   #1282     +/-   ##
========================================
- Coverage    83.2%     83%   -0.2%     
========================================
  Files          82      82             
  Lines       14928   14928             
========================================
- Hits        12425   12405     -20     
- Misses       2503    2523     +20

Impacted Files	Coverage Δ
toxcore/TCP_client.c	64.6% <0%> (-2.9%)	⬇️
toxcore/LAN_discovery.c	83% <0%> (-2.9%)	⬇️
toxcore/TCP_server.c	80.3% <0%> (-2.6%)	⬇️
toxcore/net_crypto.c	94.9% <0%> (-0.3%)	⬇️
toxav/msi.c	63.9% <0%> (-0.3%)	⬇️
toxcore/Messenger.c	87% <0%> (ø)	⬆️
toxcore/DHT.c	77.8% <0%> (ø)	⬆️
toxav/toxav.c	67.6% <0%> (+0.1%)	⬆️
toxcore/friend_connection.c	95.7% <0%> (+0.8%)	⬆️
auto_tests/toxav_basic_test.c	83.5% <0%> (+1.9%)	⬆️

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[zoff99]

Reviewable status: 0 of 1 approvals obtained

[zoff99]

Reviewable status: 0 of 1 approvals obtained

[zoff99]

Reviewable status: 0 of 1 approvals obtained