v0.4.44 new command line option for log file configuration at openmanod...

v0.4.44 new command line option for log file configuration at openmanod server. New script for configuring openmano as a service on Ubuntu Xenial

Change-Id: I8464caa0d537842011e31e3a380ded1942896f3a
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>