MP1-4155: added possibility to seek slightly backward in time-based protocols (only in RTSP implemented)
Merge remote-tracking branch 'remotes/upstream/MP1-4155-FEAT-Merge_of_IPTV_filter_and_MediaPortal_Url_Source_Splitter' into 1.5.0Fork
MP1-4155: moved logging to separate thread, now logging should not block executing of code
Merge remote-tracking branch 'remotes/upstream/MP1-4155-FEAT-Merge_of_IPTV_filter_and_MediaPortal_Url_Source_Splitter' into 1.5.0Fork

Conflicts:
	DirectShowFilters/MPUrlSourceSplitter/MPUrlSourceSplitter/MPUrlSourceSplitter_Afhs_Decryption_Akamai/MPUrlSourceSplitter_Afhs_Decryption_Akamai.h
	DirectShowFilters/MPUrlSourceSplitter/MPUrlSourceSplitter/MPUrlSourceSplitter_Interfaces/IPlugin.h
	DirectShowFilters/MPUrlSourceSplitter/MPUrlSourceSplitter/MPUrlSourceSplitter_Parser_Asx/MPUrlSourceSplitter_Parser_Asx.h
	DirectShowFilters/MPUrlSourceSplitter/MPUrlSourceSplitter/MPUrlSourceSplitter_Parser_F4M/MPUrlSourceSplitter_Parser_F4M.h
	DirectShowFilters/MPUrlSourceSplitter/MPUrlSourceSplitter/MPUrlSourceSplitter_Parser_MSHS/MPUrlSourceSplitter_Parser_MSHS.h
	DirectShowFilters/MPUrlSourceSplitter/MPUrlSourceSplitter/MPUrlSourceSplitter_libcollections/LinearBufferCollection.h
	DirectShowFilters/MPUrlSourceSplitter/MPUrlSourceSplitter/MPUrlSourceSplitter_liblogger/Logger.cpp
	DirectShowFilters/MPUrlSourceSplitter/MPUrlSourceSplitter/MPUrlSourceSplitter_liblogger/Logger.h
	DirectShowFilters/MPUrlSourceSplitter/MPUrlSourceSplitter/MPUrlSourceSplitter_liblogger/MPUrlSourceSplitter_liblogger.vcxproj
	DirectShowFilters/MPUrlSourceSplitter/MPUrlSourceSplitter/MPUrlSourceSplitter_liblogger/MPUrlSourceSplitter_liblogger.vcxproj.filters
	DirectShowFilters/MPUrlSourceSplitter/MPUrlSourceSplitter/MPUrlSourceSplitter_libshared/Hoster.cpp