Properly clean up after logging wrappers
Use cross platform null device
merge master -D org: PR 159 (Tag release prefix)
merge master -D org: PR 162 (Error handling, test expansion and general fixes)
merge master -D org

Repository: openmicroscopy/snoopycrimecop
Already up-to-date.

Merged PRs:
  # PR 159 sbesson 'Tag release prefix'
  # PR 162 chris-allan 'Error handling, test expansion and general fixes'

Generated by SCC-merge#300 (http://ci.openmicroscopy.org/job/SCC-merge/300/)