Pep publish options

[janciesla8818]

This PR addresses handling of publish-options, which allows specifying options along with a publish request.

This PR should be merged after escalus PR is merged.

[mongoose-im]

9046.1 / Erlang 23.0.3 / small_tests / b5cf9b5
Reports root / small

---

9046.2 / Erlang 23.0.3 / internal_mnesia / b5cf9b5
Reports root/ big
OK: 1503 / Failed: 0 / User-skipped: 161 / Auto-skipped: 0

---

9046.3 / Erlang 23.0.3 / odbc_mssql_mnesia / b5cf9b5
Reports root/ big
OK: 2771 / Failed: 0 / User-skipped: 229 / Auto-skipped: 0

---

9046.4 / Erlang 23.0.3 / mysql_redis / b5cf9b5
Reports root/ big
OK: 2766 / Failed: 0 / User-skipped: 234 / Auto-skipped: 0

---

9046.7 / Erlang 23.0.3 / elasticsearch_and_cassandra_mnesia / b5cf9b5
Reports root/ big
OK: 331 / Failed: 0 / User-skipped: 38 / Auto-skipped: 0

---

9046.5 / Erlang 23.0.3 / riak_mnesia / b5cf9b5
Reports root/ big
OK: 1629 / Failed: 0 / User-skipped: 181 / Auto-skipped: 0

---

9046.6 / Erlang 23.0.3 / ldap_mnesia / b5cf9b5
Reports root/ big
OK: 1405 / Failed: 0 / User-skipped: 259 / Auto-skipped: 0

---

9046.9 / Erlang 22.3 / pgsql_mnesia / b5cf9b5
Reports root/ big / small
OK: 2784 / Failed: 0 / User-skipped: 216 / Auto-skipped: 0

[codecov]

Codecov Report

Merging #3017 (f34a0af) into master (e727689) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3017      +/-   ##
==========================================
- Coverage   78.55%   78.53%   -0.02%     
==========================================
  Files         376      376              
  Lines       31488    31488              
==========================================
- Hits        24734    24730       -4     
- Misses       6754     6758       +4     

Impacted Files	Coverage Δ
src/pubsub/node_pep.erl	76.47% <ø> (ø)
src/pubsub/mod_pubsub.erl	72.00% <100.00%> (+0.05%)	⬆️
src/ejabberd_s2s_out.erl	57.89% <0.00%> (-2.29%)	⬇️
...c/global_distrib/mod_global_distrib_server_mgr.erl	75.14% <0.00%> (-2.26%)	⬇️
...bal_distrib/mod_global_distrib_hosts_refresher.erl	71.69% <0.00%> (-1.89%)	⬇️
src/cassandra/mongoose_cassandra_worker.erl	73.11% <0.00%> (-0.48%)	⬇️
src/mod_muc_log.erl	77.72% <0.00%> (ø)
src/mod_muc_room.erl	77.60% <0.00%> (+0.05%)	⬆️
src/mod_roster.erl	77.95% <0.00%> (+0.46%)	⬆️
... and 5 more

---

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[mongoose-im]

9047.1 / Erlang 23.0.3 / small_tests / b4a2da4
Reports root / small

---

9047.2 / Erlang 23.0.3 / internal_mnesia / b4a2da4
Reports root/ big
OK: 1503 / Failed: 0 / User-skipped: 161 / Auto-skipped: 0

---

9047.3 / Erlang 23.0.3 / odbc_mssql_mnesia / b4a2da4
Reports root/ big
OK: 2771 / Failed: 0 / User-skipped: 229 / Auto-skipped: 0

---

9047.4 / Erlang 23.0.3 / mysql_redis / b4a2da4
Reports root/ big
OK: 2766 / Failed: 0 / User-skipped: 234 / Auto-skipped: 0

---

9047.7 / Erlang 23.0.3 / elasticsearch_and_cassandra_mnesia / b4a2da4
Reports root/ big
OK: 331 / Failed: 0 / User-skipped: 38 / Auto-skipped: 0

---

9047.5 / Erlang 23.0.3 / riak_mnesia / b4a2da4
Reports root/ big
OK: 1629 / Failed: 0 / User-skipped: 181 / Auto-skipped: 0

---

9047.6 / Erlang 23.0.3 / ldap_mnesia / b4a2da4
Reports root/ big
OK: 1405 / Failed: 0 / User-skipped: 259 / Auto-skipped: 0

---

9047.9 / Erlang 22.3 / pgsql_mnesia / b4a2da4
Reports root/ big / small
OK: 2784 / Failed: 0 / User-skipped: 216 / Auto-skipped: 0

[arcusfelis]

ok