Merge pull request #4207 from esl/refactor/presences #1069

Job	Run time
dynamic domains pgsql_mnesia on OTP 26.1.2	18m 25s
dialyzer on OTP 25.2	4m 55s
dynamic domains mysql_redis on OTP 26.1.2	17m 32s
edoc on OTP 25.2	2m 15s
internal_mnesia on OTP 26.1.2	18m 52s
dynamic domains odbc_mssql_mnesia on OTP 26.1.2	18m 54s
pgsql_mnesia on OTP 26.1.2	21m 17s
dynamic domains pgsql_mnesia on OTP 25.3.2.6	17m 24s
mysql_redis on OTP 26.1.2	22m 1s
centos_7 package	5m 28s
odbc_mssql_mnesia on OTP 26.1.2	22m 11s
small_tests on OTP 25.3.2.6	7m 36s
ldap_mnesia on OTP 26.1.2	16m 53s
xref on OTP 25.2	2m 7s
small_tests on OTP 26.1.2	8m 1s
elasticsearch_and_cassandra_mnesia on OTP 26.1.2	6m 26s
ubuntu_xenial package	5m 49s
ldap_mnesia on OTP 25.3.2.6	17m 14s
pgsql_mnesia on OTP 25.3.2.6	21m 32s
coveralls_webhook	0s
	4h 14m 52s

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