Migrate to opendev.org

Change-Id: Iab8ea2af5204b6f04e4d5fa69395ed1565b130b5
Signed-off-by: Trinh Nguyen <dangtrinhnt@gmail.com>

.gitreview

@@ -1,4 +1,4 @@
 [gerrit]
-host=review.openstack.org
+host=review.opendev.org
 port=29418
-project=openstack/fenix.git
+project=x/fenix.git

README.rst

@@ -25,8 +25,8 @@ would also be telling about adding or removing a host.
 
 * Free software: Apache license
 * Documentation: https://wiki.openstack.org/wiki/Fenix
-* Source: https://git.openstack.org/cgit/openstack/fenix
-* Bug tracking and Blueprints: https://storyboard.openstack.org/#!/project/openstack/fenix
+* Source: https://opendev.org/x/fenix
+* Bug tracking and Blueprints: https://storyboard.openstack.org/#!/project/x/fenix
 * How to contribute: https://docs.openstack.org/infra/manual/developers.html
 
 --------

tox.ini

@@ -13,7 +13,7 @@ setenv =
    OS_STDERR_CAPTURE=1
    OS_TEST_TIMEOUT=60
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+  -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/master/upper-constraints.txtx}
   -r{toxinidir}/requirements.txt
   -r{toxinidir}/test-requirements.txt
 commands = stestr run {posargs}