Add examine_leveldb.py
Make caffe_root global so main() can see it
Rename for clarity
Correct syntax for importing caffe_pb2
Change function names to underscore_style instead of CamelCase
Plot the image along with the metadata
Make executable
Switch from OpenCV to matplotlib for plotting
[Refactor] opencv_img -> img
Add input argument parser

Refactor main into its own function.

Added Arguments:
* --db
* --one
Add helpful metavar for --db arg
Add general program help

Printed with --help argument
Add newline
Cleanup imports

* Good bye cv2

* import numpy as np
Merge branch 'examine-leveldb-datum'