Update the lmon to support datanetwork interface monitoring
and use collectd to control the alarm information. Now lmon
will obtain the list of interfaces from /etc/lmon/lmon.conf
which can be generated by puppet.
Change-Id: Ice72eda03d1bbdee6c644b1ed7ab878c942eb85c
Story: #2002948
Task: #37326
Signed-off-by: marvin <weifei.yu@intel.com>