[1165] Corrected typos and grammatical errors.

src/bin/xfrout/xfrout.py.in

@@ -630,7 +630,7 @@ class UnixSockServer(socketserver_mixin.NoPollMixIn,
 
             # reject duplicate config
             if config_key in new_config:
-                raise XfroutConfigError('Duplicaet zone_config for ' +
+                raise XfroutConfigError('Duplicate zone_config for ' +
                                         str(zorigin) + '/' + str(zclass))
 
             # create a new config entry, build any given (and known) config

src/bin/xfrout/xfrout_messages.mes

@@ -47,16 +47,16 @@ a valid TSIG key.
 There was a problem reading from the command and control channel. The
 most likely cause is that the msgq daemon is not running.
 
-% XFROUT_MODULECC_SESSION_ERROR error from module config/command module: %1
+% XFROUT_MODULECC_SESSION_ERROR error encountered by configuration/command module: %1
 There was a problem in the lower level module handling configuration and
 control commands.  This could happen for various reasons, but the most likely
 cause is that the configuration database contains a syntax error and xfrout
-fails to start at initialization.  Details error message from the module
+failed to start at initialization.  A detailed error message from the module
 will also be displayed.
 
 % XFROUT_CONFIG_ERROR error found in configuration data: %1
-The xfrout process encoutered an error in installing configuration at
-startup time.  Error details are included in the log message.
+The xfrout process encountered an error when installing the configuration at
+startup time.  Details of the error are included in the log message.
 
 % XFROUT_CC_SESSION_TIMEOUT_ERROR timeout waiting for cc response
 There was a problem reading a response from another module over the