global.h: Fix the TP_QT_DEPRECATED macro to have no effect when building the library. Add a new TP_QT_EXPORT_DEPRECATED macro to cope with moc.
global.h: Fix the TP_QT_DEPRECATED macro to have no effect when building the library. Add a new TP_QT_EXPORT_DEPRECATED macro to cope with moc.

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