Getting Payload as an 'Object' type.

Signed-off-by: Kalyan <kalyan.menda@whiteskylabs.com>
Merge branch 'master' of git@github.com:kalyanwsl/wsl-usecases.git into mule-instrumentation-system
Exception notification listener updates

Signed-off-by: Kalyan <kalyan.menda@whiteskylabs.com>
Merge pull request #32 from kalyanwsl/mule-instrumentation-system

Mule instrumentation system