[WFCORE-75] : DC - HC communication not "remote" only.
Moving hard coded checks from tests.
Adding a protocol attribute in the host.xml
Updating client configuration so that http-remoting and https-remoting are working as HC / DC management connection.
[(aucunebranche,rebasagedeWFCORE-75)] :  [WFCORE-75] :
Trying to pass the automatic connection parameters from HC to Slave through the ProcessController.
Making discovery protocol aware so that we can reconnect on respawn
[(aucunebranche,rebasagedeWFCORE-75)] :  [WFCORE-75] : Adding core model tests for new attribute in case of remote domain controller.
Test for respawn in case we have NO native management interface.