This commit does the following:
- Expands site generation with ability to include page-specific fragments
- Expands staff rating algorithms
- Restricts list of Communities statically included in main page
- Adds mechanism to fetch rest of Communities dynamically
- Adds /groups/all to request all pages statically
- Extracts duplicate tag information from servers.json into tags.json
- Minor changes (clickable h1 resets URL hash)