net-im/telepathy-qt[45]: falvorize
Flavorize the ports:
- telepathy-qt4 -> telepathy-qt@qt4
- telepathy-qt5 -> telepathy-qt@qt5
While here, also clean up the Makefile a bit.
Approved by: portmgr (mat)
Differential Revision: https://reviews.freebsd.org/D17445