Change "secrete" to "secret"

Apparently this is intentional as a joke on devstack leaking
passwords, but the dual meaning of the word confuses people.  Let's
change it before we get yet another review fixing it.

Change-Id: I3bee03612f6ea197362aab04a37f81043f77f235
diff --git a/doc/source/guides/neutron.rst b/doc/source/guides/neutron.rst
index c24cbb9..4406aa0 100644
--- a/doc/source/guides/neutron.rst
+++ b/doc/source/guides/neutron.rst
@@ -59,10 +59,10 @@
         MYSQL_HOST=172.18.161.6
         RABBIT_HOST=172.18.161.6
         GLANCE_HOSTPORT=172.18.161.6:9292
-        ADMIN_PASSWORD=secrete
-        DATABASE_PASSWORD=secrete
-        RABBIT_PASSWORD=secrete
-        SERVICE_PASSWORD=secrete
+        ADMIN_PASSWORD=secret
+        DATABASE_PASSWORD=secret
+        RABBIT_PASSWORD=secret
+        SERVICE_PASSWORD=secret
 
         # Do not use Nova-Network
         disable_service n-net
@@ -232,10 +232,10 @@
     MYSQL_HOST=172.18.161.6
     RABBIT_HOST=172.18.161.6
     GLANCE_HOSTPORT=172.18.161.6:9292
-    ADMIN_PASSWORD=secrete
-    MYSQL_PASSWORD=secrete
-    RABBIT_PASSWORD=secrete
-    SERVICE_PASSWORD=secrete
+    ADMIN_PASSWORD=secret
+    MYSQL_PASSWORD=secret
+    RABBIT_PASSWORD=secret
+    SERVICE_PASSWORD=secret
 
     ## Neutron options
     PUBLIC_INTERFACE=eth0
@@ -362,10 +362,10 @@
         GLANCE_HOSTPORT=10.0.0.2:9292
         PUBLIC_INTERFACE=eth1
 
-        ADMIN_PASSWORD=secrete
-        MYSQL_PASSWORD=secrete
-        RABBIT_PASSWORD=secrete
-        SERVICE_PASSWORD=secrete
+        ADMIN_PASSWORD=secret
+        MYSQL_PASSWORD=secret
+        RABBIT_PASSWORD=secret
+        SERVICE_PASSWORD=secret
 
         ## Neutron options
         Q_USE_SECGROUP=True
@@ -409,10 +409,10 @@
         MYSQL_HOST=10.0.0.2
         RABBIT_HOST=10.0.0.2
         GLANCE_HOSTPORT=10.0.0.2:9292
-        ADMIN_PASSWORD=secrete
-        MYSQL_PASSWORD=secrete
-        RABBIT_PASSWORD=secrete
-        SERVICE_PASSWORD=secrete
+        ADMIN_PASSWORD=secret
+        MYSQL_PASSWORD=secret
+        RABBIT_PASSWORD=secret
+        SERVICE_PASSWORD=secret
 
         # Services that a compute node runs
         ENABLED_SERVICES=n-cpu,rabbit,q-agt
@@ -509,10 +509,10 @@
     MYSQL_HOST=172.18.161.6
     RABBIT_HOST=172.18.161.6
     GLANCE_HOSTPORT=172.18.161.6:9292
-    ADMIN_PASSWORD=secrete
-    DATABASE_PASSWORD=secrete
-    RABBIT_PASSWORD=secrete
-    SERVICE_PASSWORD=secrete
+    ADMIN_PASSWORD=secret
+    DATABASE_PASSWORD=secret
+    RABBIT_PASSWORD=secret
+    SERVICE_PASSWORD=secret
 
     # Do not use Nova-Network
     disable_service n-net