add inline jsdoc to msp-manager
add inline jsdoc to msp-manager

Change-Id: Iec6a798029373e49131495ef935592d4b0b129d5
Signed-off-by: Jim Zhang <6775950e159d0bc2e58935ca2201ba88526dddf0@us.ibm.com>

ratnakar-asara/fabric-sdk-node,adityachap/fabric-sdk-node,ratnakar-asara/fabric-sdk-node,ratnakar-asara/fabric-sdk-node,adityachap/fabric-sdk-node,ratnakar-asara/fabric-sdk-node