o.c.application.xmlrpc.server: Added new ApplicationInfo and
SignalHandler classes.
o.c.ams: Small changes in class AmsConnectionFactory to avoid
registering of already registered JDBC drivers.
o.c.ams: Added new interface.
o.c.ams: Added new remote command and a new preference entry.
o.c.nams: Added new remote command.
o.c.headless.common: Small changes to class StandardStreams.