now generating extra clue fragments from S-Apostrophe sequences, and refactoring result limits in ERTask
ERTask now returns a list of URIs as Strings instead of a list of RecognisedResources
removed RecognisedResource and two other obsolete classes from app package
fixing filtering and ranking of solutions in SemanticSolver, halfway through refactoring ERTask
moving RecognisedResource and two other obsolete classes back out of app package