1. Add process connectivity status and info support
   to be reported in node UVE - connection_info library
2. Report connection info status from sandesh client
   and discovery client
3. Update process connectivity status based on the
   connection info status of various servers from
   collector

Change-Id: Iaff408da4a2bf73b8fc5c9182912dc13eca39f70
Merge "1. Add process connectivity status and info support    to be reported in node UVE - connection_info library 2. Report connection info status from sandesh client    and discovery client 3. Update process connectivity status based on the    connection info status of various servers from    collector"