Use relative name for class inclusion

This patch replces the remaining usage of absolute name in 'require',
and makes all class inclusion depend on relative name.

Change-Id: Id4e75f6fcff47170ea624c1b5943086ceac5a678

manifests/compute/ironic.pp

@@ -18,7 +18,7 @@ class nova::compute::ironic (
 ) {
 
   include nova::deps
-  require ::nova::ironic::common
+  require nova::ironic::common
   include ironic::client
 
   nova_config {

manifests/compute/libvirt/qemu.pp

@@ -55,7 +55,7 @@ class nova::compute::libvirt::qemu(
 ) inherits nova::compute::libvirt::version {
 
   include nova::deps
-  require ::nova::compute::libvirt
+  require nova::compute::libvirt
 
   Anchor['nova::config::begin']
   -> Augeas<| tag == 'qemu-conf-augeas'|>

manifests/compute/libvirt/virtlogd.pp

@@ -47,7 +47,7 @@ class nova::compute::libvirt::virtlogd (
 ) {
 
   include nova::deps
-  require ::nova::compute::libvirt
+  require nova::compute::libvirt
 
   if $log_level {
     virtlogd_config {

manifests/metadata/novajoin/api.pp

@@ -178,7 +178,7 @@ Use password parameter instead')
   }
 
   if $enable_ipa_client_install {
-    require ::ipaclient
+    require ipaclient
     # If we're installing IPA here, the hostname fact won't be populated yet,
     # so we'll use a command to get it.
     $ipa_hostname_real = '`grep xmlrpc_uri /etc/ipa/default.conf | cut -d/ -f3`'