Removing Glencoe link & pointing ppl at homebrew
Tidying suggested by Mark
Removing out-of-date ref to tar.bz2 files
Tidying Windows installation page while I'm at it
ICE -> Ice
Missed one! ICE -> Ice
Modify the root of the main OME CI server to use ci.openmicroscopy.org
Cpp: Remove C++ links which are no longer available

No alternative or replacement links exist at present,
therefore removing them entirely.
Merge pull request #617 from rleigh-dundee/cpp-link-removal-dev50

Cpp: Remove C++ links which are no longer available
Merge pull request #611 from hflynn/rebased/dev_5_0/glencoe_link

Removing link to out-of-date Ice binaries at Glencoe (rebased onto dev_5_0)
Merge pull request #614 from sbesson/rebased/dev_5_0/new_ci_root

Modify the root of the main OME CI server to use ci.openmicroscopy.org (rebased onto dev_5_0)