hgext3rd: move 'obsolete' as 'evolve.legacy' We move that last extension. It seems like we could use the repo upgrade framework for this, but this is another adventure.

syntax: re
/figures/[^/]+\.png$
^html/
\.pyc$
~$
\.swp$
\.orig$
\.rej$
\.err$
^tests/easy_run.sh$
^build/
^MANIFEST$
^docs/tutorials/.*\.rst$
\.ico$
tests/\.testtimes