Send bootstrap logs to logstash as well

Assume logstash node is fuel:55514, udp

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Fuel submodule from bogdando fork with feat_logstash merged

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Make requirements-rpm.txt sorted

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Add rpm reqs for Logstash, Elasticsearch, Kibana and deps

For: #OSCI-553

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Merge branch 'bootstrap2logstash'