Modify repeat-tests.sh to be able to run any command instead of just make targets
Modify repeat-tests.sh to be able to run any command instead of just make targets

This is useful for running individual tests by directly invoking the test executable.

tiagosh/telepathy-qt,freedesktop-unofficial-mirror/telepathy__telepathy-qt,TelepathyQt/telepathy-qt,detrout/telepathy-qt,anantkamath/telepathy-qt,TelepathyIM/telepathy-qt,TelepathyIM/telepathy-qt,tiagosh/telepathy-qt,TelepathyIM/telepathy-qt,freedesktop-unofficial-mirror/telepathy__telepathy-qt,TelepathyIM/telepathy-qt,freedesktop-unofficial-mirror/telepathy__telepathy-qt,tiagosh/telepathy-qt,special/telepathy-qt-upstream,freedesktop-unofficial-mirror/telepathy__telepathy-qt4,special/telepathy-qt-upstream,anantkamath/telepathy-qt,tiagosh/telepathy-qt,TelepathyQt/telepathy-qt,detrout/telepathy-qt,TelepathyQt/telepathy-qt,freedesktop-unofficial-mirror/telepathy__telepathy-qt4,TelepathyQt/telepathy-qt,freedesktop-unofficial-mirror/telepathy__telepathy-qt,freedesktop-unofficial-mirror/telepathy__telepathy-qt4,anantkamath/telepathy-qt,TelepathyIM/telepathy-qt,freedesktop-unofficial-mirror/telepathy__telepathy-qt4,special/telepathy-qt-upstream,detrout/telepathy-qt