MP1-4155: implemented partial backward compatibility with stock filter URLs
Merge remote-tracking branch 'remotes/upstream/MP1-4155-FEAT-Merge_of_IPTV_filter_and_MediaPortal_Url_Source_Splitter' into 1.7.0Fork-BDJ

Conflicts:
	DirectShowFilters/MPUrlSourceSplitter/MPUrlSourceSplitter/MPUrlSourceSplitter/MPUrlSourceSplitter.vcxproj