Switch the base URL to git.openstack.org

The git repositories on github for openstack are mirrors of the primary
repositories, which are hosted on git.openstack.org, so switch as much
as I can to using the primary, rather than the github mirror.

Change-Id: Idcfda49a691582055256b830c61e098f4a271339
diff --git a/README.md b/README.md
index 93d1396..b2603e7 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@
 `stackrc` for the default set).  Usually just before a release there will be
 milestone-proposed branches that need to be tested::
 
-    GLANCE_REPO=https://github.com/openstack/glance.git
+    GLANCE_REPO=git://git.openstack.org/openstack/glance.git
     GLANCE_BRANCH=milestone-proposed
 
 # Start A Dev Cloud
diff --git a/stackrc b/stackrc
index 6adb676..7eda5a5 100644
--- a/stackrc
+++ b/stackrc
@@ -62,7 +62,7 @@
 
 # Base GIT Repo URL
 # Another option is http://review.openstack.org/p
-GIT_BASE=${GIT_BASE:-https://github.com}
+GIT_BASE=${GIT_BASE:-git://git.openstack.org}
 
 # metering service
 CEILOMETER_REPO=${CEILOMETER_REPO:-${GIT_BASE}/openstack/ceilometer.git}
@@ -182,7 +182,7 @@
 NOVNC_BRANCH=${NOVNC_BRANCH:-master}
 
 # ryu service
-RYU_REPO=${RYU_REPO:-${GIT_BASE}/osrg/ryu.git}
+RYU_REPO=${RYU_REPO:-https://github.com/osrg/ryu.git}
 RYU_BRANCH=${RYU_BRANCH:-master}
 
 # a websockets/html5 or flash powered SPICE console for vm instances
diff --git a/tools/build_tempest.sh b/tools/build_tempest.sh
index 1758e7d..6c527f5 100755
--- a/tools/build_tempest.sh
+++ b/tools/build_tempest.sh
@@ -2,7 +2,7 @@
 #
 # **build_tempest.sh**
 
-# Checkout and prepare a Tempest repo: https://github.com/openstack/tempest.git
+# Checkout and prepare a Tempest repo: git://git.openstack.org/openstack/tempest.git
 
 function usage {
     echo "$0 - Check out and prepare a Tempest repo"
diff --git a/tools/xen/test_functions.sh b/tools/xen/test_functions.sh
index 5347238..0ae2cb7 100755
--- a/tools/xen/test_functions.sh
+++ b/tools/xen/test_functions.sh
@@ -111,8 +111,8 @@
 
 function test_zip_snapshot_location {
     diff \
-    <(zip_snapshot_location "https://github.com/openstack/nova.git" "master") \
-    <(echo "https://github.com/openstack/nova/zipball/master")
+    <(zip_snapshot_location "git://git.openstack.org/openstack/nova.git" "master") \
+    <(echo "git://git.openstack.org/openstack/nova/zipball/master")
 }
 
 function test_create_directory_for_kernels {