Gitlab security update will be applied on February 23, between 8am and 9am, EST (UTC-05:00). This site may have intermittent delays during that time.
Organize page layout after conversion from mediawiki Organize pages into directories and shorter file names. Use lower-case names for directories and capitalized names for files. This produces a pleasing sort order in the GitLab Wiki navigation page. Also rename entry page `CMake.md` to `Home.md` to match GitLab Wiki conventions.