Improving Unix guide usability
Avoid suggesting higher Python version.
Move the note about Python 3 support.
Add Josh's suggestion.
Merge pull request #16 from bpindelski/ice_python

Avoid suggesting higher Python version.
Make it clearer that envvars must be updated
Fix some unescaped \'s
Merge pull request #17 from manics/sysadmin-windows-cleanups

Sysadmin windows cleanups
Fixing UNIX install doc re:ICE etc
Merge branch 'install' of github.com:hflynn/ome-documentation into install
Douglas' comments + Windows Ice clarification
Merge remote-tracking branch 'origin/dev_5_0'

Conflicts:
	omero/sysadmins/windows/server-installation.txt
Fixing Roger's comments
Merge pull request #703 from hflynn/install

Updates to sysadmin installation docs