UIMA-3673
CAS Editor: set shown annotation types (collection of types)
- new public method in AnnotationEditor: setShownAnnotationTypes(Collection<Type> types) 
- adapted IShowAnnotationsListener in initiallySynchronizeUI()

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1576637 13f79535-47bb-0310-9956-ffa450edef68