MultiRepos: new command `trac-admin <env> changeset added|modified`, to be used in hooks.
This replaces the `trac-admin <env> repository notify changeset_added|changeset_removed` command.
Patch by rblank (#7723). Review and trac-svn-post-commit-hook adaptations by me.
Authored by: cboos 2009-04-06
Parent: [r8069]
Child: [r8071]