Add revlog.strip to truncate away revisions. This updates the revlog data structures for index and nodemap in place so the .d and .i files don't need to be reread after stripping away a revision.

syntax: glob

*.elc
*.orig
*.rej
*~
*.so
*.pyc
*.swp
*.prof
tests/*.err
build
dist
doc/*.[0-9]
doc/*.[0-9].{x,ht}ml
MANIFEST
patches
mercurial/__version__.py

syntax: regexp
^\.pc/