CAY-1916 cayenne-crypto module that enables data encryption for certain model attributes

allowing to bind enc key alias in a separate builder method to use with custom 'keySource'

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1587817 13f79535-47bb-0310-9956-ffa450edef68
CAY-1925 cayenne-crypto: add optional compression to the encryption pipeline

(in progress) don't compress smaller values

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1588251 13f79535-47bb-0310-9956-ffa450edef68
CAY-1925 cayenne-crypto: add optional compression to the encryption pipeline

(in progress) don't compress smaller values

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1588252 13f79535-47bb-0310-9956-ffa450edef68
CAY-1925 cayenne-crypto: add optional compression to the encryption pipeline

(in progress) don't compress smaller values

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1588253 13f79535-47bb-0310-9956-ffa450edef68