This class discover implementations for interfaces. The current implementation
takes "is happy" with one possible impelmentation. If a interface has two
implementations itīs currently not defined which one if going to be returned
author: Daniel Wiese since: 13.11.2005
Searches all classes in a given directory (up to top lever and from there
recursive) of in a given jar file.
Parameters: firstSearchClue - -the location of this class will be used as a hint , where tostart with the search - a list of classes (format: com/siemens/MyClass)