make a more neutral and generic apache.d config directory

this allows administrators to share arbitrary configurations for multiple aegir backend nodes sharing /var/aegir over a network filesystem

the new directory is in ~/config/apache.d/ and included from apache.conf automatically

UPGRADE.txt

@@ -171,5 +171,10 @@ To read :
 
   Include /var/aegir/config/apache.conf
 
+You will also need to create the following directories :
+
+  /var/aegir/config/platform.d
+  /var/aegir/config/apache.d
+
 Now log into Aegir, and verify the hostmaster platform. This will generate
 the correct apache.conf file and restart apache.

install.sh.txt

@@ -139,6 +139,7 @@ fi
 msg "Creating basic directory structure"
 mkdir -p $AEGIR_HOME/config/vhost.d
 mkdir -p $AEGIR_HOME/config/platform.d
+mkdir -p $AEGIR_HOME/config/apache.d
 mkdir -p $AEGIR_HOME/backups
 chmod 0711 $AEGIR_HOME/config
 chmod 0700 $AEGIR_HOME/backups
@@ -207,8 +208,12 @@ NameVirtualHost *:80
   LoadModule rewrite_module modules/mod_rewrite.so
 </IfModule>
 
+# virtual hosts
 Include $AEGIR_HOME/config/vhost.d/
+# platforms
 Include $AEGIR_HOME/config/platform.d/
+# other configuration, not touched by aegir
+Include $AEGIR_HOME/config/apache.d/
 EOF
 fi
 

web_server/provision_apache_server.tpl.php

@@ -22,7 +22,12 @@ endif;
   LoadModule rewrite_module modules/mod_rewrite.so
 </IfModule>
 
+# virtual hosts
 Include <?php print $config_path ?>/vhost.d/
+# platforms
 Include <?php print $config_path ?>/platform.d/
+# other configuration, not touched by aegir
+Include <?php print $config_path ?>/apache.d/
+
 
 <?php print $extra_config; ?>