Made calling scanner easy by putting them into __init__ and also made usage doc more understandable

Refactored. Used get() to retrieve in SimpleScanner

rst encoding py2

Encoding

Fixed installing through clone. encoding error in rst file

uploaded to pypi

Added Travis CI and unittests. Updated SimpleScanner folder names.
Removed shutil copy_function.

sphinx with readthedocs

created superclass for Scanners