Summary
- merged
- tuned message;
- more operations;
- tuned signature;
- more robust install/uninstall; clarified extension_name (again): --locate-extension wants to see a lowercase name;
- more formal extension_manifest, with shasum for sources;
- tuned;
- tuned signature;
- clarified signature;
- proper usage;
- tuned -- follow sha1_digest in src/Tools/Setup/src/Build.java;
- tuned signature;
- clarified modules;
- tuned signature;
- ... and removing Primrec from ROOT too
- Removal of the Primrec example in preparation for making it an AFP entry
- merged
- avoided recomputation in Cooper.djf and ran `isabelle regenerate_cooper`