Add support for the jboss-webservices.xml descriptor in SOAP binding. Currently, this descriptor doesn't seem to be recognised by SOAP binding even when it is located under META-INF/ in a SY application JAR as follows:

my-sy-app.jar
├── ...
└── META-INF
    ├── beans.xml
    ├── jboss-webservices.xml
    └── switchyard.xml