update preffix, in order to avoid pkg conflicts on pool
diff --git a/aptly/server/mirror/ubuntu/trusty/mos9.yml b/aptly/server/mirror/ubuntu/trusty/mos9.yml
index 9ab87e1..8722650 100644
--- a/aptly/server/mirror/ubuntu/trusty/mos9.yml
+++ b/aptly/server/mirror/ubuntu/trusty/mos9.yml
@@ -12,19 +12,7 @@
           publisher:
             component: main
             distributions:
-              - nightly/mos9.0
-        mirantis-openstack-9.0-trusty:
-          source: http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/
-          distribution: mos9.0
-          components: main restricted
-          architectures: amd64
-          key_url: "http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/archive-mos9.0.key"
-          gpgkeys:
-            - 1FA22B08
-          publisher:
-            component: main
-            distributions:
-              - nightly/mos9.0
+              - mos9/mos9.0
         mirantis-openstack-9.0-hotfix-trusty:
           source: http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/
           distribution: mos9.0-hotfix
@@ -36,7 +24,7 @@
           publisher:
             component: main
             distributions:
-              - nightly/mos9.0-hotfix
+              - mos9/mos9.0-hotfix
         mirantis-openstack-9.0-proposed-trusty:
           source: http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/
           distribution: mos9.0-proposed
@@ -48,7 +36,7 @@
           publisher:
             component: main
             distributions:
-              - nightly/mos9.0-proposed
+              - mos9/mos9.0-proposed
         mirantis-openstack-9.0-security-trusty:
           source: http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/
           distribution: mos9.0-security
@@ -60,7 +48,7 @@
           publisher:
             component: main
             distributions:
-              - nightly/mos9.0-security
+              - mos9/mos9.0-security
         mirantis-openstack-9.0-updates-trusty:
           source: http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/
           distribution: mos9.0-updates
@@ -72,4 +60,4 @@
           publisher:
             component: main
             distributions:
-              - nightly/mos9.0-updates
+              - mos9/mos9.0-updates