Use generics in many simple cases

src/main/java/org/sablecc/sablecc/AddAstProductions.java

.../sablecc/AddEventualEmptyTransformationToProductions.java

.../org/sablecc/sablecc/AddProdTransformAndAltTransform.java

...ain/java/org/sablecc/sablecc/AlternativeElementTypes.java

src/main/java/org/sablecc/sablecc/ComputeCGNomenclature.java

src/main/java/org/sablecc/sablecc/In_Production.java

src/main/java/org/sablecc/sablecc/Inlining.java

...org/sablecc/sablecc/InternalTransformationsToGrammar.java

src/main/java/org/sablecc/sablecc/LR0Collection.java

src/main/java/org/sablecc/sablecc/PrettyPrinter.java

src/main/java/org/sablecc/sablecc/Production.java

...a/org/sablecc/sablecc/RecursiveProductionsDetections.java

src/main/java/org/sablecc/sablecc/ResolveAltIds.java

src/main/java/org/sablecc/sablecc/ResolveAstIds.java

src/main/java/org/sablecc/sablecc/ResolveIds.java

...ain/java/org/sablecc/sablecc/ResolveProdTransformIds.java

src/main/java/org/sablecc/sablecc/ResolveTransformIds.java

src/main/java/org/sablecc/sablecc/SableCC.java

src/main/java/org/sablecc/sablecc/Transitions.java