- modified nav bar ...

- rest api changes

* moved some sub navs to template tags ...

* generic MailingListView now detects list owners/moderators even if those permissions are not required
* fixed some permission bugs in the list navigation
* changes to the list member page:
    - list owners and moderators
    - "add owner" feature
    - "add moderator" feature
* several layout changes:
    - sub navigation items now have an "active" state
    - changed backgrounds of page and content containers
* added "add owner" feature
* added "add moderator" feature
* several text changes

* added subscription list page for logged in user ...

* added decorator to allow login via http basic auth (to allow non-browser clients to use API views)
* added api view for list index
* several changes regarding style and navigation structure

* added a mailmanclient shell to use as a `manage.py` command (`python manage.py mmclient`) ...

* added pre_save callback to create new mailman users when new Users are created in Django (draft)

modified mailman.client imports to mailmanclient

pep8'ed models and views

* added tests and view code (draft) for list members page ...

* added developer documentation
* added mock object helpers
* fixed some typos

catch custom error from mailman.client and display error msg (in case of an IOError when trying to connect to the API)

fixed copyright notices (GNU Mailman => Postorius)

- added missing copyright notices and update old dates ...

- added proper processing of acceptable aliases in list settings form contributed by Daniel Mizyrycki (in Rev. 50)

src/mailmanweb => src/postorius