Update staus of LTFS Format Specifications
Update staus of LTFS Format Specifications

 - LTFS Format Specifications v2.5 passed SNIA Membership Vote and has now been published as a SNIA Technical Position
 - Add lint to each versions
LinearTapeFileSystem/ltfs,LinearTapeFileSystem/ltfs,LinearTapeFileSystem/ltfs,LinearTapeFileSystem/ltfs,LinearTapeFileSystem/ltfs