Added support for Sorenson video codec

This codec is used in flv video files
Revert "Fixed support for BMP"

This reverts commit 024fb360f330aa17454d254869f75cb21b580bb1.
Revert "Revert "Fixed support for BMP""

This reverts commit 2418b0c967b482d0080bcf631b5e0724c7d8d854.
Merge pull request #442 from ler0y/BMPSupport

Fix recognizing BMP files
Merge pull request #443 from ler0y/SorensonVideoSupport

Sorenson Media support
Shortened "sorenson" to "sor" for renderer configs
Formatting
Added option to disable sending folder thumbnails in renderer configs
Finished SendFolderThumbnails
Disabled sending folder thumbnails on Sony Bravia W series TVs because it causes " | JPG" to be appended to all folder names
Document MuxNonMod4Resolution
try sync