calculate_camera_angles_cost length->size bug
Make load_external_data input window in milliseconds.
Reformat plots of camera relation estimates.
Change test bank to tests used in final report.

Also add Christian's tests.
Make main handle missing ground truths better.
Make groundtruth plot be dashed.
Add commented code to generate up to N tracks in time windows.
Add commented polygons for train station cameras.
Add test_datafile_generator.m
Merge branch 'master' of https://github.com/JudsonWilson/cs231a_proj1

Conflicts:
	load_external_data.m