Added file and example notebook on comparing images.
Adding compare.py to init.
Playing around with image subtracking to get the movement change between frames.
Continuing to experiment with contrast option.
Added module for reading in camera configuration files. Still need to add more tests.
Converted tabs to spaces and starting work on photron function.
metadata.py
Merge branch 'develop' of https://github.com/isaacyeaton/pyadisi into develop