Moar quantifier fixes

src/main/scala/leon/codegen/CodeGeneration.scala

src/main/scala/leon/codegen/CompilationUnit.scala

src/main/scala/leon/evaluators/RecursiveEvaluator.scala

src/main/scala/leon/purescala/ExprOps.scala

src/main/scala/leon/purescala/Extractors.scala

src/main/scala/leon/purescala/TypeOps.scala

src/main/scala/leon/solvers/smtlib/SMTLIBTarget.scala

.../scala/leon/solvers/templates/QuantificationManager.scala

src/main/scala/leon/solvers/z3/FairZ3Solver.scala