Fix signature of check-milestone function
Document renaming of scc check-prs
using latest-develop redirects for downloads
Update download link in side menu
Update link to logback-cli.xml
Merge pull request #657 from hflynn/rebased/develop/downloads_links

using latest-develop redirects for downloads (rebased onto develop)
Merge pull request #659 from ximenesuk/import-fixes-dev

Update docs for import and logging fixes (rebased on develop)
Replace all occurences of PIL/Python Imaging Library by Pillow

As of 5.0.0, we start using Pillow as the default imaging library for Python.
This commit makes the corresponding changes under the existing documentation
pages.
Add section to server upgrade page about Pillow/PIL
Fix Pillow downloads page URL
Replace list of packages by see also link to server installation
Update product page links & 4.4 docs link messages
Fixing feature link in sidebar menu
Using right redirects for 5 downloads
Merge pull request #665 from hflynn/rebased/develop/release_updates

Update 5 docs for release changes  (rebased onto develop)
Merge remote-tracking branch 'origin/develop'

Conflicts:
	omero/themes/globalomerotoc.html
Merge pull request #671 from hflynn/rebased/develop/downloads_5

Using right redirects for 5 downloads (rebased onto develop)
Merge pull request #660 from sbesson/rebased/develop/pillow

Update documentation to use Pillow instead of PIL (rebased onto develop)
Users & sysadmins update text
Updating developers & users whatsnew