This removes the "all" wording from the List Servers API
reference docs since it could be confused with actually returning
all servers across all tenants (the all_tenants filters). It also
mentions that by default only servers associated with the project
making the request are returned, i.e. the project associated with
the auth token on the request. This is probably fairly obvious
and automatic to anyone that's worked with openstack for a long
time but might not be for a new user and is not really documented
anywhere in the API reference or API guide that I could find.
Change-Id: Ie28164e4813a7a48addcd80d81c72c978ac9f395
c07746af90