added blob_log
added test_blob_log
comments
added a functionality to fetch images from URL in _novice.py
added description and exmaple for new functionality
of fetching images of url
migrated from area to sigma
removed print
doc changes
doc rectify
changed test url in example for the Picture(object)
changed the method of checking if a string is URL
1. removed regex code which was used earlier to check if a string is
url. (regex code taken from django)
2. Now checking if a string starts with http(s) or ftp(s).
added a dummy useragent in Picture class while fetching image
using URL.
changed urlparse library from six.moves.urllib_parse
to six.moves.urllib.parse
corrected syntax for error handling while fetching image from
a URL in class Picture
changed the method of fetching images in Picture class
using file_or_url_context to get context and calling imread
and imghdr on returned context
removed unnecessary imports from _novice.py
typo
Make doc/gh-pages executable
made minor changes in syntax
1. merged is_url and file_or_url_context in one import statement
2. changed syntax to check if path is a URL. now more compact
improve performance of equalize example

percentile can compute multiple ranks in one go which in the case of the
example halves the required time.