build tunerprovider as a separate static library

Signed-off-by: Michael Ira Krufky <mkrufky@linuxtv.org>

Conflicts:
	libdvbtee.pro
	teev-qt/teev-qt.pro
	tunerprovider/tunerprovider.cpp
	tunerprovider/tunerprovider.h

(cherry-picked from commit f12582e94507b1662ba46263764a38d379e6629f)