[Merge] lp:~abompard/mailman.client/mockingclient into lp:mailman.client

Aurélien Bompard has proposed merging lp:~abompard/mailman.client/mockingclient into lp:mailman.client. Requested reviews: Mailman Coders (mailman-coders) For more details, see: https://code.launchpad.net/~abompard/mailman.client/mockingclient/+merge/242... This branch adds a mocking client which only instantiates the REST API server in memory, not by forking a specific mailman server. Then, the requests are made through the WSGI API using WebTest. -- Your team Mailman Coders is requested to review the proposed merge of lp:~abompard/mailman.client/mockingclient into lp:mailman.client.