Used StringEscapeUtils to excape special characters in JSON message format.

Signed-off-by: Kalyan <kalyan.menda@whiteskylabs.com>
Merge branch 'master' of git@github.com:kalyanwsl/wsl-usecases.git into mule-instrumentation-system
Moved ComponentPayloadHandler to com.whiteskylabs.common package

Signed-off-by: Kalyan <kalyan.menda@whiteskylabs.com>
Merge pull request #37 from kalyanwsl/mule-instrumentation-system

Mule instrumentation system