Breaking changes in compiler plugin:
* Remove java.Serializable supertype
* Move serializer impl from companion to special inner class
* Add generic serializer fields in $serializer and serializer getter
in companion
kotlin.Pair serializer
Generating getter also for non-generic serializers
Generic serializers in JS
Fixed issue when serialDesc property getter was generated, but backing field not.
Respect @Serializable(with=...) on property
Calling 3-arg readElementValue for support of custom contexts
Ability to nest context-based serializer
Migration to 1.2-Beta2
Use polymorphicSerializer prior to default
Don't use polymorphic serializers for all java classes
Docs and maven project update
Remove plugin runtime dependency on stdlib
Fix for JS frontend resolving
Generating serialClassDesc property and save method (w/o virtual calls).
JS Serialization: Load function and synthetic constructor
User-defined serial annotations support
Reference array serialization in JS
Reference array serializer now requires KClass instance as first constructor argument
Finding enum serializer in common module for support in JS
Leonid Startsev