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Top level support for custom transformers; specs using a custom transformer with Scala and Java classes.
Merge remote-tracking branch 'origin/master' into salat_2.10

Conflicts:
	salat-core/src/main/scala/com/novus/salat/transformers/CustomTransformer.scala
Merge remote-tracking branch 'origin/master' into salat_2.10

Conflicts:
	salat-core/src/main/scala/com/novus/salat/transformers/CustomTransformer.scala