UIMA-2332
some more speed improvements
- mtwl: remember found types
- composed rule element matches: cache matched annotations
- type matcher: exploit caching in RutaBasic
- RutaBasic: do not cache TOP and AnnotationBase

git-svn-id: https://svn.apache.org/repos/asf/uima/ruta/trunk@1556271 13f79535-47bb-0310-9956-ffa450edef68