py3: stabilize the output of lfs commandserver tests
The print() statements were being output at the very end, so write to the same
stdout sink as runcommand, and explicitly flush.
Mercurial
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Mercurial is a fast, easy to use, distributed revision control tool
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Basic install::
$ make # see install targets
$ make install # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg # see help
Running without installing::
$ make local # build for inplace usage
$ ./hg --version # should show the latest version
See https://mercurial-scm.org/ for detailed installation
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