Configure loglevel of rootLogger
Configure loglevel of rootLogger

Configure loglevel of rootLogger in addition to sandesh
logger based on Sandesh::SetLoggingLevel and introspect
command
Depends-On: I631a142a4d7f2828316ed6d145586e265c3811d0
Change-Id: I9bf91e7db524f4cc4495836f125f5a55a24fb93a
Closes-bug: #1459113

Juniper/contrail-sandesh,Juniper/contrail-sandesh,Juniper/contrail-sandesh,Juniper/contrail-sandesh