====== Authenticate user ======
**:!: This request does not require to log in, as described in "Basics"**
===== POST =====
''/rest/auth''
==== Example request body ====
username=foo&password=bar
The parameter ''username'' equals the field ''username'' in the ''staff'' view, not the field ''name''.
==== Example result ====
== Invalid login information ==
FAIL
== Valid ==
1Foo Bar
...