Change passwords to be encryptable using the usual berico crypto library.
 + changed pom to add crypto dependency as well as bean processing dependency -- other changes are spacing changes (pom.xml)
 + enabled generic modification of configuration parameters  (TopologyService & IConfigurationModifier)
 + specific modifications are added via spring beans (see configModifications.xml)
 + decryption of DropWizard config params (PasswordConfigurationModifier.java)
 + passwords are encrypted & spring context files dded (gts-x509.yaml)