PlayerCoreFactory: Play udp and hdhomerun streams with dvdplayer
DVDPLAYER: Fix compile warning

CPP     xbmc/cores/dvdplayer/DVDInputStreams/DVDInputStreamFFmpeg.o
In file included from DVDInputStreamFFmpeg.cpp:21:0:
DVDInputStreamFFmpeg.h: In constructor ‘CDVDInputStreamFFmpeg::CDVDInputStreamFFmpeg()’:
DVDInputStreamFFmpeg.h:49:8: warning: ‘CDVDInputStreamFFmpeg::m_can_seek’ will be initialized after [-Wreorder]
DVDInputStreamFFmpeg.h:47:8: warning:   ‘bool CDVDInputStreamFFmpeg::m_aborted’ [-Wreorder]
DVDInputStreamFFmpeg.cpp:25:1: warning:   when initialized here [-Wreorder]