Merge branch 'dev' into vijay-work

# Conflicts:
#	azure-servicebus/src/main/java/com/microsoft/azure/servicebus/primitives/CoreMessageReceiver.java
#	azure-servicebus/src/main/java/com/microsoft/azure/servicebus/primitives/CoreMessageSender.java
#	azure-servicebus/src/main/java/com/microsoft/azure/servicebus/primitives/MessagingFactory.java
#	azure-servicebus/src/main/java/com/microsoft/azure/servicebus/primitives/MiscRequestResponseOperationHandler.java