added .m2ts as a video type
fixed for asf video extension
removed spaces
Merge pull request #9 from jinjorge/added_m2ts

Added .m2ts and .asf
updated comment to reflect subtitle file extensions
moved fileObjects iteration to eachSeries loop
added missing video files types
fixed comment error
merged 79744b9ab810ddaa5f3caf0ea25527a278b753d4