Updating omero_plone links & removing unnecessary
Removing ref to screenshot product page too
Implement wmoore's suggestion re version numbers.
Merge pull request #389 from hflynn/omero_plone5

Updating omero_plone links to point at OME 5 product pages
Unify the use of "line".
Correct use of "becomes".
Merge pull request #391 from bpindelski/srvr-upgrd2

Change instances of 'OMERO.fs' to code version numbers