Rename review.openstack.org to review.opendev.org

There are many references to review.openstack.org, and while the
redirect should work, we can also go ahead and fix them.

Change-Id: I397b58c562079444553d393387d7c6323b06fba4

specs/kilo/fifo-optional.rst

@@ -84,7 +84,7 @@ Work Items
 Dependencies
 ============
 
-* https://review.openstack.org/#/c/126531/
+* https://review.opendev.org/#/c/126531/
 
 .. note::
 

specs/kilo/persistent-transport.rst

@@ -123,7 +123,7 @@ the `WebSockets wiki`_.
 Dependencies
 ============
 
-* https://review.openstack.org/#/c/122425/
+* https://review.opendev.org/#/c/122425/
 * https://blueprints.launchpad.net/zaqar/+spec/cross-transport-api-spec
 
 .. note::

specs/newton/mistral-notifications.rst

@@ -200,7 +200,7 @@ Dependencies
 ============
 
 We won't be able to pass the message ID until
-https://review.openstack.org/#/c/276968/ or something equivalent merges.
+https://review.opendev.org/#/c/276968/ or something equivalent merges.
 However, since it can be added to the Mistral environment later without
 rewriting any existing workflows (to declare a new input), this is in no way a
 blocker.

specs/ocata/osprofiler.rst

@@ -54,7 +54,7 @@ this shouldn't be a complex task. The steps required to do this are detailed
 in the `Work Items`_ section.
 
 Main functional change for Zaqar server:
-https://review.openstack.org/#/c/141356/
+https://review.opendev.org/#/c/141356/
 
 Alternatives
 ------------

specs/ocata/swift-storage.rst

@@ -90,7 +90,7 @@ Work Items
 Dependencies
 ============
 
-- Depend on Swift fix for if-none-match: https://review.openstack.org/395582
+- Depend on Swift fix for if-none-match: https://review.opendev.org/395582
 
 .. note::
 

specs/queens/support-redis-as-mgmt-storage-backend.rst

@@ -228,7 +228,7 @@ Work Items
 Dependencies
 ============
 
-[1]:https://review.openstack.org/#/c/345133/
+[1]:https://review.opendev.org/#/c/345133/
 
 Testing
 =======