TelepathyQt4/Constants: improve spec compliance
TelepathyQt4/Constants: improve spec compliance

The spec now requires that the account-specific part of a connection's
bus name and object path is a single element.

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