javadocs

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1584339 13f79535-47bb-0310-9956-ffa450edef68
CAY-1916 cayenne-crypto module that enables data encryption for certain model attributes

BytesTransformer to encapsulate crypto protocol .. IN PROGRESS

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1584340 13f79535-47bb-0310-9956-ffa450edef68