Changing Windows Ice download link to 3.4
Merge pull request #631 from hflynn/windows_ice

Changing Windows Ice download link to 3.4
Document latest changes to the Homebrew OMERO formula

- Ice (3.5) is now the default version installed by `brew install omero`
- Add options to use old 3.3 and 3.4 versions
- Update PYTHONPATH setting in the configuration section
Add note about SLICEPATH for development server
Add note about .bash_profile
Merge pull request #635 from sbesson/homebrew_4410

Document latest changes to the Homebrew OMERO formula
Updating 4.4.x Demo server unavailable now
Add note to user index page about demo server
Deleting images
Merge pull request #641 from hflynn/demo_server

Updating 4.4.x Demo server unavailable now
Drop --use-mirrors from .travis.yml
Merge pull request #648 from sbesson/rebased/dev_4_4/travis_pypi

Drop --use-mirrors from .travis.yml (rebased onto dev_4_4)
Noting status of 4.4 on index pages
update conf.py for legacy -> previous docs
adding warning to sysadmin index page
Making text & style consistent
Merge pull request #662 from hflynn/maintenance

Making 4.4 status as maintenance version clear
always link to latest 4 download page
Merge pull request #668 from hflynn/downloads_new

Always link to latest 4 download page