Merge pull request #343 from sbesson/rebased/develop/upgrade_page_fixes

Remove 4.4.4 specific section from server ugprade page (rebased onto develop)
merge develop -D org -I include -E exclude: PR 342 (Anchors not found (rebased onto develop))
merge develop -D org -I include -E exclude: PR 344 (Add GH/Jenkins extlinks to the model documentation (rebased onto develop))
merge develop -D org -I include -E exclude: PR 345 (Review Matlab documentation (see #10389) (rebased onto develop))