Fix links to OMERO.scripts and OMERO.tables pages
HelloWorld.py: fix typo and whitespace
Update old omero4 URLs to omero5
Add missing EOF newlines (thanks, sed)
Remove obsolete .uk suffix from site URLs

The URL prefix http://www.openmicroscopy.org.uk/site/ has a
blanket redirect to http://www.openmicroscopy.org/site/ now.
Remove undesirable https URL prefixes

The https URLs often come up if you leave yourself logged in, because
while logged in everything redirects to https automatically. But really
we want to link to the faster http version of the URLs externally.
Fix broken feature-list URLs
Fixing script & ome-model doc links
Deleting webclient help template & reference to it
Fixing server upgrade link
Merge pull request #1734 from hflynn/curtis_fixes_develop

Curtis fixes develop