Check for negative area bounding boxes from Camshift.
Updated gitignore to ignore evaluation videos.
Removed methods no longer used.
Extracted results display code to new module.
Renamed videoanalyzer module to analyzer because it has no real notion of video, just individual frames.
Moved old unused code to scratch directory.
Moved application into fishcounter package instead of being at the root of the repository with gitignore, readme, etc.