Specialization for container adts

src/it/scala/inox/solvers/unrolling/BagSuite.scala

src/main/scala/inox/Main.scala

src/main/scala/inox/ast/Definitions.scala

src/main/scala/inox/ast/Extractors.scala

src/main/scala/inox/ast/Printers.scala

src/main/scala/inox/ast/SymbolOps.scala

...main/scala/inox/solvers/unrolling/DatatypeTemplates.scala

...main/scala/inox/solvers/unrolling/FunctionTemplates.scala

src/main/scala/inox/solvers/unrolling/LambdaTemplates.scala

...cala/inox/solvers/unrolling/QuantificationTemplates.scala

...main/scala/inox/solvers/unrolling/TemplateGenerator.scala

src/main/scala/inox/solvers/unrolling/Templates.scala