Add get_services(regexp) method to TorqueBox::MSC to allow to receive MSC services that canonical name matches the provided regexp. Returns a list of services or yields every service.
[TORQUE-795] Allow changing processors' concurrency setting without restarting torquebox or redeployment of an app

Includes list and lookup methods for finding message processors for current application. Exposes the ability to view and change the concurrency for selected message processor. Additionally makes it easy to read other message processor attributes like druability, name, destination name, etc.

Requires jboss-polyglot with commit cb6f43aa88df89630cd2d551dc5f92a202dd4ae2.
Merge pull request #126 from goldmann/TORQUE-795

 [TORQUE-795] Allow changing processors' concurrency setting without restarting torquebox or redeployment of an app