Add `brew tap homebrew/science` to the Homebrew installation page
Add note for BF users redirected here
Adding anchor to section in BF docs
Simplify PDF to remove warning
Merge remote-tracking branch 'origin/develop' into rebased/develop/hdf5_tap

Conflicts:
	omero/sysadmins/unix/server-install-homebrew.txt
Merge pull request #519 from qidane/simplify-pdf

Simplify PDF to remove warning
Merge pull request #491 from sbesson/rebased/develop/hdf5_tap

Add `brew tap homebrew/science` to the Homebrew installation page (rebased onto develop)
Merge pull request #518 from hflynn/upgrade-develop

Add note for BF users redirected to upgrade (rebased)