Update C++ job descriptions
Improving Unix guide usability
Avoid suggesting higher Python version.
Move the note about Python 3 support.
Add Josh's suggestion.
Make it clearer that envvars must be updated
Fix some unescaped \'s
Fixing UNIX install doc re:ICE etc
Douglas' comments + Windows Ice clarification
Fixing Roger's comments
Merge pull request #706 from hflynn/BF-CI-fix

Update C++ job descriptions
merge develop -D org: PR 626 (Add new Squash tutorial and screenshots)
merge develop -D org: PR 707 (Updates to sysadmin installation docs (rebased onto develop))
merge develop -D org

Repository: openmicroscopy/ome-documentation
Updating ee6a045..df2965f
Merged PRs (fast-forward):
  # PR 706 hflynn 'Update C++ job descriptions'

Merged PRs:
  # PR 626 pwalczysko 'Add new Squash tutorial and screenshots'
  # PR 707 hflynn 'Updates to sysadmin installation docs (rebased onto develop)'

Generated by OMERO-5.1-merge-push#117 (http://ci.openmicroscopy.org/job/OMERO-5.1-merge-push/117/)