Summary
- more privileges for the sake of mysqldump (avoid workaround --no-tablespaces);
- Isabelle/Phabricator supports Ubuntu 20.04 LTS;
- tuned --- make IntelliJ IDEA happy;
- tuned;
- Added smt (verit) to Sledgehammer's proof preplay. Tuned preplay multithreading.
- unified slots
- unified Local_Theory.init with Generic_Target.init