Added MoviePly

MoviePly makes it easy to find and sort your movies, however big your
library:

Drag and drop files or folders to add movies
Clear and simple movie poster display
Cast lists and movie descriptions help you decide what to watch
Detects file type, codec and other relevant meta-data
Eliminates the need to maintain organised directories
Merge pull request #3354 from alebcay/movieply

Added MoviePly