Removed principal authenticator : application access is not restricted to some users
Setting prod mode by default, thus deactivating hot reload/compile
because currently, having Database store movies & users in memory
is incompatible with the dev mode where every instances are thrashed
on every request
On normal cases where the server should not be stateless, it should not
be an issue
Making /users/share/:userIdA/:userIdB result order reproductible
Provided restx spec tests for endpoints
Provided instructions to run restx app