[primary/secondary] Host Controller environment properties and host-slave.xml configuration variables

WFCORE-5838 counterpart for WildFly full

Replacement of master/slave by primary/secondary:

• Review occurrences for system properties related to Host Controller environment configuration (jboss.domain.master.address, jboss.domain.master.port ... See HostControllerEnvironment)
• Review variable names used on host-slave.xml file for user configuration, e.g jboss.domain.master.protocol, jboss.domain.master.address, jboss.domain.master.port
• Fix any test affected by this change.
• Change community documentation related to these changes