Fixes from Mark plus others I noticed
merge develop -D org -I include -E exclude: PR 369 (Cpp: Correct content and markup)
merge develop -D org -I include -E exclude: PR 404 (Updating Download screenshots for Version 5 (FS))
merge develop -D org -I include -E exclude: PR 418 (more Americanization (rebased onto develop))
merge develop -D org -I include -E exclude: PR 419 (Formats tidy)
merge develop -D org -I include -E exclude: PR 420 (Removing xsd-fu &linking to new BF version instead)