add pylama config
add pylama check to travis tests
fix pep8 amd pyflakes issues
pep8 check for max_line_length=100

- ignoring pylama check for E501, waiting for accepting pull request to pylama
updated package docblocks to conform with pep257
update tests docblocks to conform with pep257
Merge pull request #16 from fizyk/pylama

Pylama