Renames subtitles files according to tv shows names found in a directory. Acceped syntaxes for season/episode are: 304, s3e04, s03e04, 3x04 (case insensitive)
Based on bash script: https://gist.github.com/colinux/799510
Just run py-subsrenamer.py (py-subsrenamer.exe) inside folder with subtitles and video files. Or use the GUI version and select the folder in the usual way.