Add "-n iter" argument so that it is possible to run a certain set of tests a given number of times:
Add "-n iter" argument so that it is possible to run a certain set of
tests a given number of times:

	varnishtest -n 100 tests/b*.vtc




git-svn-id: 7d4b18ab7d176792635d6a7a77dd8cbbea8e8daa@3276 d4fa192b-c00b-0410-8231-f00ffab90ce4

wikimedia/operations-debs-varnish,ssm/pkg-varnish,ssm/pkg-varnish,ssm/pkg-varnish,wikimedia/operations-debs-varnish,CartoDB/Varnish-Cache,CartoDB/Varnish-Cache,ssm/pkg-varnish,CartoDB/Varnish-Cache,ssm/pkg-varnish,wikimedia/operations-debs-varnish,wikimedia/operations-debs-varnish,wikimedia/operations-debs-varnish