Fix case error in qpid exchange name.  s/Direct/direct/

Fixes bug #1211338

(This is a minimal merge of just oslo-incubator bec54ac5 and
no other oslo changes.)

Change-Id: I129f9486f13be91868824e0e0534c4760d50589b
(cherry picked from commit 08e45107467fbf0ceb487ed0aebc55dc98a6da7d)
Fix testcase 'test_create_subnet_with_two_host_routes' failed

Fix bug 1179348

Change-Id: I0cd5d303da0f394cec173aeee52efcd337282c94
Signed-off-by: Christoph Thiel <c.thiel@telekom.de>
Fix testcase 'TestPortsV2.test_range_allocation' failed randomly

Fix bug 1179370

Change-Id: Id5645546c98549c9d7cf68359e0f6fa128ad84b7
Signed-off-by: Christoph Thiel <c.thiel@telekom.de>
Merge "Fix case error in qpid exchange name.  s/Direct/direct/" into stable/grizzly
Merge "Fix testcase 'test_create_subnet_with_two_host_routes' failed" into stable/grizzly
Merge "Fix testcase 'TestPortsV2.test_range_allocation' failed randomly" into stable/grizzly