fixes#5104, refs #4348, #2263
- Create a centralised event module
- Hook it up for posts, pages, tags and users
- Use it in sitemaps instead of direct method calls
- Use it for xmlrpc calls
- Check events are fired in model tests
- Update sitemap tests to work with new code
- Fix a bug where invited users were appearing in sitemaps
- Move sitemaps and xmlrpc into a directory together
Closes#623
- Add basic init and eventing scaffold
- Add sitemap-index.xml generation
- Broke out generators to individual files, added request handler
- Add page, author and tag xml files; add index mapping
- Add SiteMapManager unit tests
- Add Generators tests
- Cache invalidation headers for sitemap-*.xml
- Redirect sitemap.xml to index and rename to sitemap-index
- Handle page convert and publish/draft changes
- Add very basic functional test for route existence
- Add cache headers to sitemap routes
