Resolve errors in puppet runs

This commit resolves errors that are being
triggered in puppet runs for the App Catalog
hosted on OpenStack Infra by removing the
unnecessary commands to create directories
and by checking for OS disto codename before
attempting to install the zopfli package.

Change-Id: I9444087c3aa1001616af88303d8ce04fc7050b47
Closes-bug: 1495648

manifests/init.pp

@@ -55,20 +55,14 @@ class apps_site (
     }
   }
 
-  if ! defined(Package['zopfli']) {
-    package { 'zopfli':
-      ensure => present,
+  if ($::lsbdistcodename == 'trusty') {
+    if ! defined(Package['zopfli']) {
+      package { 'zopfli':
+        ensure => present,
+      }
     }
   }
 
-  file { "${root_dir}/openstack_catalog/web/api":
-    ensure => directory,
-  }
-
-  file { "${root_dir}/openstack_catalog/web/api/v1":
-    ensure => directory,
-  }
-
   exec { 'make_assets_json' :
     command     => "${root_dir}/tools/update_assets.sh",
     path        => '/usr/local/bin:/usr/bin:/bin',