allow configuration settings to specify a session cookie name. This is to avoid problems we are experiencing between simultaneous login sessions between edx.org and edge.edx.org on certain browsers (i.e. Firefox)

PREVIEW_LMS_BASE must now be set (default value does not work for both edge and edx). Make this work locally as well.
https://edx.lighthouseapp.com/projects/102637/tickets/331

Start linting envs files, add task to only pylint errors, and move pylintrc file to the correct location

Separate cms and lms auth and env files, and have the LMS that runs with the CMS use the CMS modulestore

Remove the csrf domain from the default settings because we don't need it (we don't have requests going between multiple servers in the same domain). This will make it so that we can test servers from any url, rather than just a single url

Remove the csrf domain from the default settings because we don't need it (we don't have requests going between multiple servers in the same domain). This will make it so that we can test servers from any url, rather than just a single url