Clean-up to add @Override annotations for Java 1.6

.../java/ch/ethz/bsse/cisd/yeastlab/GenerationDetection.java

...d/yeastlab/condition/CloseDistanceCandidateCondition.java

...tion/MatchingFirstFluorescencePeakCandidateCondition.java

...ition/SimilarBeginningFluorescenceCandidateCondition.java

...ava/ch/ethz/bsse/cisd/yeastlab/model/ParentCandidate.java