Non symmetric serialize/deserialize behavior

[Yoztastic]

I think there is strange behavior when serializing Scala Map or Seq(Tuple) involving polymorphic requirements.

Please see the following

http://stackoverflow.com/questions/18186292/failing-polymorphic-de-serialization-in-jackson-with-scala-module-when-polymorph/18191179#18191179

[christophercurrie]

A fix for these issue will go out in 2.2.3, which should be released in the next few days.