Updated Release notes for 3.1.0
Updated Release notes for 3.1.0

nishantmonu51/hive,b-slim/hive,jcamachor/hive,vineetgarg02/hive,vineetgarg02/hive,sankarh/hive,sankarh/hive,b-slim/hive,anishek/hive,jcamachor/hive,sankarh/hive,lirui-apache/hive,vineetgarg02/hive,vineetgarg02/hive,lirui-apache/hive,lirui-apache/hive,b-slim/hive,lirui-apache/hive,nishantmonu51/hive,sankarh/hive,jcamachor/hive,alanfgates/hive,b-slim/hive,nishantmonu51/hive,jcamachor/hive,jcamachor/hive,lirui-apache/hive,nishantmonu51/hive,anishek/hive,nishantmonu51/hive,alanfgates/hive,alanfgates/hive,alanfgates/hive,alanfgates/hive,sankarh/hive,lirui-apache/hive,alanfgates/hive,lirui-apache/hive,anishek/hive,jcamachor/hive,vineetgarg02/hive,b-slim/hive,alanfgates/hive,nishantmonu51/hive,jcamachor/hive,vineetgarg02/hive,anishek/hive,b-slim/hive,sankarh/hive,sankarh/hive,anishek/hive,nishantmonu51/hive,b-slim/hive,lirui-apache/hive,anishek/hive,vineetgarg02/hive,jcamachor/hive,sankarh/hive,alanfgates/hive,anishek/hive,lirui-apache/hive,anishek/hive,jcamachor/hive,nishantmonu51/hive,b-slim/hive,vineetgarg02/hive,vineetgarg02/hive,anishek/hive,sankarh/hive,alanfgates/hive,nishantmonu51/hive,b-slim/hive