Merge pull request #405 from hflynn/troubleshooting_dev

Troubleshooting rebase
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 406 (Americanize spellings, fix typos, expand contractions (rebased))