Merge pull request #15 from gusferguson/version_5-0-5_update1

Version 5 0 5 update1
Minor tweak to a screenshot
Update version number to 5.0.6 for release
Deleting some illegal tab characters
Correcting URL for zip download
merge master -Dorg -Isbesson/ome-help:cname_staging -Snone: PR 16 (Version 5 0 6 update)
merge master -Dorg -Isbesson/ome-help:cname_staging -Snone: branch sbesson:cname_staging
merge master -Dorg -Isbesson/ome-help:cname_staging -Snone

Repository: openmicroscopy/ome-help
Already up-to-date.

Merged PRs:
  # PR 16 gusferguson 'Version 5 0 6 update'
Merged branches:
  # sbesson:cname_staging

Generated by OME-help-staging#19 (http://ci.openmicroscopy.org/job/OME-help-staging/19/)