Changes to Server manager packaging to include monitoring files

- new files in Smgr package: server_mgr_mon_base_plugin.py
- new files in Smgr client package: smgr_monitoring.py
- new package - Smgr monitoring rpm - has server_mgr_ipmi_monitoring.py, sm-monitoring-config.ini
- new script to install Smgr monitoring rpm with other rpms
- new target in script to install all

Change-Id: I23a36cb871851d8a4fabda3461a4b03a27c249a9