fixed: Video chapter seeking was flawed/broken for files handled by ffmpeg

Conflicts:
	xbmc/cores/amlplayer/AMLPlayer.cpp
	xbmc/cores/dvdplayer/DVDPlayer.cpp
	xbmc/cores/omxplayer/OMXPlayer.cpp
url: CURL::GetWithoutUserDetails would return non encoded hostname

For rar/zip and similar with an expected url encoded path in their
hostnames, CURL::GetWithoutUserDetails would return an invalidly
formatted non encoded hostname.