* versioned URLs are now supported (e.g. https://yourdomain/yourtool/someversion) and recommended, non-versioned URLs (https://yourdomain/yourtool) will also work and automatically find and serve the latest version
* include context in main graph (via codemetapy's --includecontext option)
* added --intro parameter to add an introductory text to the index pages
* Added a Makefile with a test target for local testing