Change the default api server port

The current api server port is same as Ceilometer's (8777)

Change-Id: I76dc6244e702611e5c0e9328bc05e7cde2f39f9c

aodh/api/__init__.py

@@ -18,8 +18,7 @@ from oslo_config import cfg
 # Register options for the service
 OPTS = [
     cfg.IntOpt('port',
-               default=8777,
-               deprecated_name='metering_api_port',
+               default=8042,
                deprecated_group='DEFAULT',
                help='The port for the aodh API server.',
                ),

aodh/api/config.py

@@ -12,7 +12,7 @@
 
 # Server Specific Configurations
 server = {
-    'port': '8777',
+    'port': '8042',
     'host': '0.0.0.0'
 }
 

etc/apache2/aodh

@@ -22,9 +22,9 @@
 # The number of processes and threads is an example only and should
 # be adjusted according to local requirements.
 
-Listen 8777
+Listen 8402
 
-<VirtualHost *:8777>
+<VirtualHost *:8402>
     WSGIDaemonProcess aodh-api processes=2 threads=10 user=SOMEUSER display-name=%{GROUP}
     WSGIProcessGroup aodh-api
     WSGIScriptAlias / /var/www/aodh/app