* created dedicated method for setting a @Comparator@ to clean up internal code * use @plugins@ property for sorting access instead of @getPlugins@ which returns an immutable @List@ now git-svn-id: svn+ssh://svn.synyx.de/var/svn/synyx/opensource/hera/trunk@8543 5a64d73e-33d6-4ccc-9058-23f8668ecac9