Adds logging to superimposed_image.py

Adds logging.

Use random.choices so that we don't have to worry about num_foreground being greater than the number of foreground images with us.

Added README for corner detection

Added README for bounding box detection tasks

Move bounding box code to its own directory

Added test directory and sample images

Cleanup comments

Separate out image classes and change augmentor to imgaug.

Decouple foreground and background images.

Fixed dependencies

Modified README

Added License

Initial commit

Initial commit