ANPR notebook added

nbviewer link: http://nbviewer.ipython.org/gist/kislayabhi/89b985e5b78a6f56029a
why is the output `['M', 'A', '1', '3', '9', '8', 'A', 'G']`? Is the `1` coming from the false positive detection of a number near the bottom of the plate? We should fix this up so that we get a good result here.