Upgrade nexus to 3.14.

Also switch used obs repo to one hosted in a Juniper account.

Change-Id: I5380621d0926f012b45ba95866e39bf86fad9b1a
Partial-Bug: #1794052
closes-jira-bug: JCB-176497

modules/opencontrail_ci/manifests/nexus_repository.pp

@@ -12,15 +12,15 @@
   }
 
   yumrepo {'nexus3-yum-repo':
-    baseurl  => 'http://download.opensuse.org/repositories/home:/woid:/nexus3/CentOS_7/',
+    baseurl  => 'https://download.opensuse.org/repositories/home:/tungsten-infra:/third-party-packages/CentOS_7/',
     descr    => 'Nexus3 subrepository (CentOS_7)',
     enabled  => true,
     gpgcheck => true,
-    gpgkey   => 'http://download.opensuse.org/repositories/home:/woid:/nexus3/CentOS_7/repodata/repomd.xml.key',
+    gpgkey   => 'https://download.opensuse.org/repositories/home:/tungsten-infra:/third-party-packages/CentOS_7/repodata/repomd.xml.key',
   }
 
   package {'nexus3':
-    ensure  => '3.13.0.01-17.1',
+    ensure  => '3.14.0.04-8.1',
     require => [
       Gnupg_key['nexus3-yum-repo'],
       Yumrepo['nexus3-yum-repo'],