* tools/dist/construct-rolling-environment.sh:   Update to most recent dependency versions.
* tools/dist/construct-rolling-environment.sh:
  Update to most recent dependency versions.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion