Release 0.2.9

[robinlinden]

This change is 

[codecov]

Codecov Report

Merging #1283 into master will increase coverage by <.1%.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           master   #1283     +/-   ##
========================================
+ Coverage    82.9%     83%   +<.1%     
========================================
  Files          82      82             
  Lines       14978   14962     -16     
========================================
- Hits        12423   12421      -2     
+ Misses       2555    2541     -14

Impacted Files	Coverage Δ
toxcore/net_crypto.c	93.7% <0%> (-1.5%)	⬇️
toxav/msi.c	63.9% <0%> (-0.3%)	⬇️
toxcore/Messenger.c	86.7% <0%> (-0.3%)	⬇️
toxcore/tox.c	63.6% <0%> (ø)	⬆️
toxcore/group.c	78.8% <0%> (ø)	⬆️
toxcore/friend_connection.c	94.9% <0%> (+0.2%)	⬆️
toxcore/onion_client.c	96% <0%> (+0.7%)	⬆️
toxav/toxav.c	67.7% <0%> (+0.8%)	⬆️
toxcore/LAN_discovery.c	84.9% <0%> (+1.8%)	⬆️
auto_tests/toxav_many_test.c	96.6% <0%> (+4%)	⬆️
... and 1 more

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[robinlinden]

This release will have to wait for #1267 to get merged as it fixes some issues with persistent conferences in master.

[iphydf]

@robinlinden this is ready now, except it needs an updated merged PR list.

[iphydf]

Reviewed 6 of 6 files at r1.
Reviewable status: 0 of 1 approvals obtained