common: Print command & return code if trap
common: Print command & return code if trap

If we enter a trap, let's print the faulty command and its return code.
Very useful for debugging

enovance/edeploy,lebauce/edeploy,redhat-cip/edeploy,enovance/edeploy,enovance/edeploy,lebauce/edeploy,redhat-cip/edeploy,enovance/edeploy,redhat-cip/edeploy,lebauce/edeploy,lebauce/edeploy,redhat-cip/edeploy