[WFCORE-253] Enable the use of expressions for sasl-protocol and server-name.
Merge pull request #332 from darranl/WFCORE-253

[WFCORE-253] Enable the use of expressions for sasl-protocol and server-name
If -secmgr is passed as a server argument, it should enable the security manager.
[WFCORE-258] Import services from the WildFly Security Manager to allow jboss-modules to install the security manager.
[WFCORE-258] Add a property to pass server arguments to a test domain server.
[WFCORE-258] Add ability to enable the security manager with the security.manager system property.