Initial changes to use JBoss Logging for messages.
Changes to the File store to use the IDMMessages for exceptions.
Changes to the DefaultIdentityManager to use the IDMMessages for exceptions.
Changes to the DefaultIdentityManager to use the IDMMessages for exceptions. Added IDMLogger for logging.
Messages for the JPA store.
Messages for the LDAP store.
Changing IDMMessages methods to be more meaningful.
Merge branch 'feature/logging' into develop