Fixed proplem with the shared Velocity implementation

Problem occurs if more than one plugin use the static velocity class...

~Sandro

org.apache.velocity.exception.VelocityException: Error initializing log: Failed to initialize an instance of org.apache.velocity.runtime.log.CommonsLogLogChute with the current runtime configuration.
	at org.apache.velocity.runtime.RuntimeInstance.initializeLog(RuntimeInstance.java:875)
	at org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:262)
	at org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:646)
	at org.apache.velocity.runtime.RuntimeSingleton.init(RuntimeSingleton.java:226)
	at org.apache.velocity.app.Velocity.init(Velocity.java:97)
	at org.jboss.forge.osgi.OsgiPlugin.<clinit>(OsgiPlugin.java:46)