tests: suppress verbose output of svn transaction
Subversion 1.9 shows more verbose messages than 1.8 and the tests fail
because of them. These outputs are not important in our tests, so let's
suppress them by -q or grep -v.
Mercurial
=========
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
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See http://mercurial.selenic.com/ for detailed installation
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