CA-38105: add a simple CLI and stresstest to test the fe daemon.
CA-38105: add a simple CLI and stresstest to test the fe daemon.

Signed-off-by: David Scott <63c9eb0ea83039690fefa11afe17873ba8278a56@eu.citrix.com>

xapi-project/message-switch,johnelse/forkexecd,djs55/forkexecd,xapi-project/message-switch,xapi-project/message-switch