Add module level static capabilities

The static capabilities declared in getCapabilities allows certain
capabilities to be queried before instances are created. The intended use
of this capability is to remove the need for the `is_internal_service`
function.

server/modules/routing/avrorouter/avro.c

@@ -170,6 +170,7 @@ MXS_MODULE* MXS_CREATE_MODULE()
         MXS_ROUTER_VERSION,
         "Binlogrouter",
         "V1.0.0",
+        MXS_NO_MODULE_CAPABILITIES,
         &MyObject,
         NULL, /* Process init. */
         NULL, /* Process finish. */

server/modules/routing/binlogrouter/blr.c

@@ -171,6 +171,7 @@ MXS_MODULE* MXS_CREATE_MODULE()
         MXS_ROUTER_VERSION,
         "Binlogrouter",
         "V2.1.0",
+        MXS_NO_MODULE_CAPABILITIES,
         &MyObject,
         NULL, /* Process init. */
         NULL, /* Process finish. */

server/modules/routing/cli/cli.c

@@ -91,6 +91,7 @@ MXS_MODULE* MXS_CREATE_MODULE()
         MXS_ROUTER_VERSION,
         "The admin user interface",
         "V1.0.0",
+        MXS_NO_MODULE_CAPABILITIES,
         &MyObject,
         NULL, /* Process init. */
         NULL, /* Process finish. */

server/modules/routing/debugcli/debugcli.c

@@ -90,6 +90,7 @@ MXS_MODULE* MXS_CREATE_MODULE()
         MXS_ROUTER_VERSION,
         "The debug user interface",
         "V1.1.1",
+        MXS_NO_MODULE_CAPABILITIES,
         &MyObject,
         NULL, /* Process init. */
         NULL, /* Process finish. */

server/modules/routing/hintrouter/hintrouter.cc

@@ -95,6 +95,7 @@ extern "C" MXS_MODULE* MXS_CREATE_MODULE()
         MXS_ROUTER_VERSION,      /* Implemented module API version */
         "A hint router", /* Description */
         "V1.0.0", /* Module version */
+        MXS_NO_MODULE_CAPABILITIES,
         &HintRouter::s_object,
         NULL, /* Process init, can be null */
         NULL, /* Process finish, can be null */

server/modules/routing/maxinfo/maxinfo.c

@@ -116,6 +116,7 @@ MXS_MODULE* MXS_CREATE_MODULE()
         MXS_ROUTER_VERSION,
         "The MaxScale Information Schema",
         "V1.0.0",
+        MXS_NO_MODULE_CAPABILITIES,
         &MyObject,
         NULL, /* Process init. */
         NULL, /* Process finish. */

server/modules/routing/readconnroute/readconnroute.c

@@ -136,6 +136,7 @@ MXS_MODULE* MXS_CREATE_MODULE()
         MXS_ROUTER_VERSION,
         "A connection based router to load balance based on connections",
         "V1.1.0",
+        MXS_NO_MODULE_CAPABILITIES,
         &MyObject,
         NULL, /* Process init. */
         NULL, /* Process finish. */

server/modules/routing/readwritesplit/readwritesplit.c

@@ -161,6 +161,7 @@ MXS_MODULE *MXS_CREATE_MODULE()
         MXS_MODULE_API_ROUTER, MXS_MODULE_GA, MXS_ROUTER_VERSION,
         "A Read/Write splitting router for enhancement read scalability",
         "V1.1.0",
+        MXS_NO_MODULE_CAPABILITIES,
         &MyObject,
         NULL, /* Process init. */
         NULL, /* Process finish. */

server/modules/routing/schemarouter/schemarouter.c

@@ -618,6 +618,7 @@ MXS_MODULE* MXS_CREATE_MODULE()
         MXS_ROUTER_VERSION,
         "A database sharding router for simple sharding",
         "V1.0.0",
+        MXS_NO_MODULE_CAPABILITIES,
         &MyObject,
         NULL, /* Process init. */
         NULL, /* Process finish. */