Adding "login" support since Legendas.TV need it.
Adding Legendas.TV username and password to Travis.
Changing setting to use JSON.
Asking username and password on command line interface.
Requesting legendastv password.
Making sure settings will be read/write using locale encoding.
Applying PEP8.
Merge pull request #21 from menegazzo/fb-17-legendastv-settings

Fixes #17