Code for frame I/O and a frame circular buffer that can be used for tracking. Based on original tracking structures from 3D-PTV
Building the framebuffer with autotools and testing it with Check
Autoconf/Automake definitions to make liboptv installable
Fix closing of file that possibly failed to open
Merge pull request #5 from yosefm/fb_submission

First actual code in the common base. Contains useful tools for tracking and sequencing, and has potential to highly increase code quality compared to 3d-ptv. See discussion here:
https://groups.google.com/forum/?hl=en&fromgroups=#!topic/openptv/b_T8DvOYt88