More compilaton optimisation

Do not compile most of service_table.c and client_table.c if
--disable-gena is used.
Do not compile urlconfig.c if --disable-webserver is used.
Adding new UPNP_HAVE_xxx variables in upnpconfig.h and upnpconfig.h.in.

upnp/src/genlib/service_table/service_table.c

@@ -43,6 +43,7 @@
 
 #ifdef INCLUDE_DEVICE_APIS
 
+#if EXCLUDE_GENA == 0
 /************************************************************************
 *	Function :	copy_subscription
 *
@@ -322,6 +323,7 @@ FindServiceEventURLPath( service_table * table,
 
     return NULL;
 }
+#endif /* EXCLUDE_GENA */
 
 /************************************************************************
 *	Function :	FindServiceControlURLPath
@@ -339,6 +341,7 @@ FindServiceEventURLPath( service_table * table,
 *
 *	Note :
 ************************************************************************/
+#if EXCLUDE_SOAP == 0
 service_info *
 FindServiceControlURLPath( service_table * table,
                            const char *controlURLPath )
@@ -370,6 +373,7 @@ FindServiceControlURLPath( service_table * table,
     return NULL;
 
 }
+#endif /* EXCLUDE_SOAP */
 
 /************************************************************************
 *	Function :	printService
@@ -515,6 +519,7 @@ void printServiceTable(
     printServiceList( table->serviceList, level, module );}
 #endif
 
+#if EXCLUDE_GENA == 0
 /************************************************************************
 *	Function :	freeService
 *
@@ -1062,6 +1067,7 @@ getServiceTable( IXML_Node * node,
 
     return 0;
 }
+#endif /* EXCLUDE_GENA */
 
 #endif /* INCLUDE_DEVICE_APIS */