WICKET-5713 Move /wicket.properties to /META-INF/wicket/xyz.properties
WICKET-5713 Move /wicket.properties to /META-INF/wicket/xyz.properties
WICKET-5713 Move /wicket.properties to /META-INF/wicket/xyz.properties

Minor improvements
Merge branch 'WICKET-5713-meta-inf-wicket'