* show offline contact in roster if unread message is pending

* setting which which allows to hide muc channels
* show incoming muc messages even if muc channels are hidden
* messagebox has tab position 1 in chat window
* no close to tray warning
* exit waits for disconnect (beta) to prevent lingering mattermost
sessions
* fixed message duplication on disconnect/reconnect
1 job for master in 4 minutes and 56 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
failed #1084
ubuntu_18_04_build

00:04:56

 
Name Stage Failure
failed
ubuntu_18_04_build Build There has been a runner system failure, please try again
Running with gitlab-runner 11.10.0 (3001a600)
on Docker runner (acicd.abyle.org) 44811678
Using Docker executor with image git.abyle.org:5000/abyle/dockerfiles/abyle-ubuntu1804builder:19.04.210907 ...
Pulling docker image git.abyle.org:5000/abyle/dockerfiles/abyle-ubuntu1804builder:19.04.210907 ...
Using docker image sha256:df9631a5def4d6b24f56422c718fa9ff17bdc3aae2bc19f5b71110a4bfc53126 for git.abyle.org:5000/abyle/dockerfiles/abyle-ubuntu1804builder:19.04.210907 ...
ERROR: Job failed (system failure): Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? (executor_docker.go:1020:120s)