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.
Merge pull request #337 from jamezp/WFCORE-258

[WFCORE-258] Add services imports for server entry points