schemas/Makefile: Installation: public: public%/uninstall: Fixed bug where need to remove the specified version of the public schema, not public itself. Generalized $(confirmRmPublicSchema) so it could also be used for named versions of the public schema. Inlined $(rmPublicSchema) since it's now only used in one place.

lib/common.Makefile: Revisions: $(version): Use just the revision # to avoid cluttering the schema and log file names with long datetime strings

schemas/Makefile: public%/install: schema comment: Include current date/time after version

lib/common.Makefile: Replaced no longer used $(date) with function to generate human-readable text date (rather than date to put in filename). Removed leading zeros from date and hour. Added timezone.

backups/Makefile: Removed no longer used $(dateFmt), $(mtime)

backups/Makefile: Removed %.backup/rotate, because this incorrectly causes the current time rather than the version to be used in the backup filename. The version should instead be specified in the backup filename when it's created.

schemas/Makefile: Installation: public: Added public%/publish to replace the current public schema with the given version

schemas/Makefile: Installation: public: public/uninstall: Added public%/uninstall as a target to allow uninstalling versions of the public schema

schemas/Makefile: Installation: public: public%/install: Add a comment on the schema containing the versioned schema name, so that if the schema is later renamed to just public (i.e. "published" as the current version), it will still be possible to tell which version the public schema came from

schemas/Makefile: Installation: public: Added public%/install, to install a version of the public schema