added a main method to call the fast flow algorithm. does minimal option checking
complete scaffolding of code in place
open a video read for using
added method to read frames from the video
added buildfile
modified the file to use opencv 2.4.7
extended to extract the flow and save the results to disk
added saving of flow images
updated the vagrant file to build the latest version of opencv
updated to use a script instead of inline
removed the port forwarding
now have a working dockerfile for building a container