Added default constructor to allow those classes usable when using CDI.
Merge remote-tracking branch 'upstream2/master'
Supporting the RelationshipAttribute annotation for the JPA and File stores.
Added test case for custom relationships.
minor dependency fix
Merge branch 'master' of github.com:picketlink/picketlink
Added sorting support in FileBasedIdentityStore
Added IDMUtil.getDefaultParamsForSorting, so all IdentityStore will use same default criterias for sorting
Added 'config' module to be dependency of 'idm/impl' again