removing part about session engine on windows
adding comment about session engine removal
adding commands to unset session engine
reformatting note box
merge develop -D org: PR 626 (Add new Squash tutorial and screenshots)
merge develop -D org: PR 720 (Session engine update (rebased onto develop))
merge develop -D org

Repository: openmicroscopy/ome-documentation
Updating 7e0a9e3..93dcbe7
Merged PRs (fast-forward):
  # PR 718 rleigh-dundee 'Install cleanup (develop)'

Merged PRs:
  # PR 626 pwalczysko 'Add new Squash tutorial and screenshots'
  # PR 720 aleksandra-tarkowska 'Session engine update (rebased onto develop)'

Generated by OMERO-5.1-merge-push#135 (http://ci.openmicroscopy.org/job/OMERO-5.1-merge-push/135/)