Add warning incase DB Slicing is required.

[rukapse]

in neo4j we need to check the configdb size , and put a warning incase slicing of DB is required.

[rukapse]

Already added a check for checking the configdb size.
#26

[ProsperousHeart]

@rukapse - if this has already been completed, please close this issue and internal Jira CEADETT-131.

[rukapse]

Follow up with Manikandan and Arnab to get additional information on this!