Merge pull request #784 from manics/codesigning_doc

Add code-signing documentation
Add Linux walkthrough scripts.

This is a direct copy of the files in
https://github.com/manics/omero-install/commit/6ca41e4d77f57eaad155a4686ea68c5325a7daca
Add Linux walkthrough document referencing the walkthrough scripts
Fix typos
Use American spelling/grammar
Adding Ice 3.5.1 download page link
Make clear which Python version is needed
Adding limitations for 5.0.2
merge dev_5_0 -D org: PR 785 (Ice35 support for windows)
merge dev_5_0 -D org: PR 788 (Linux walkthrough)
merge dev_5_0 -D org: PR 789 (Limitations update for 5.0.2)
merge dev_5_0 -D org

Repository: openmicroscopy/ome-documentation
Updating 9fb9f01..02e5b79
Merged PRs (fast-forward):
  # PR 784 manics 'Add code-signing documentation'

Merged PRs:
  # PR 785 hflynn 'Ice35 support for windows'
  # PR 788 manics 'Linux walkthrough'
  # PR 789 hflynn 'Limitations update for 5.0.2'

Generated by OMERO-5.0-merge-daily#675 (http://ci.openmicroscopy.org/job/OMERO-5.0-merge-daily/675/)