lmb/draw.py: can now draw boxes around images using lmb draw

	```
	lmb draw <file> <featuretype> <x> <y> <w> <h>
	````

example:

	```
	lmb draw file.jpg face 0 0 30 30
	```
README: added examples of the cli tools

Added title & logo to the cli gallery.
Merge pull request #21 from lambdal/feature/drawing

lgtm

      lmb/draw.py: can now draw boxes around images using lmb draw