Partial-Bug: #1394419 - Creating Ubuntu packages for Smgr monitoring

This checkin:
- Modifies monitoring package to add relevant monitoring python scripts (plugin module and monitoring config)
- Fixes a bug in Smgr Client on Ubuntu (bash mistake in postinst)
- Adds Smgr monitoring debian target to Makefile
- Adds gevent dependency to Smgr (introduced by monitoring)
- Adds xmltodict dependency to Smgr client (introduced by monitoring)
- Adds new monitoring base plugin file to Smgr package

All the changes reflect changes already made for Smgr and monitoring on Centos64

Change-Id: I632655694eec93bcf650d48b193f67c8e663cc98
Merge "Partial-Bug: #1394419 - Creating Ubuntu packages for Smgr monitoring"