plugins: clean up plugin descriptions

- Make plugin descriptions more consistent
  so the output of "show plugin" can be
  used in the wiki.

Change-Id: I4c6feb11e7dcc5a4cf0848eed37f1d3b035c7dda
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>

src/plugins/svs/svs_api.c

@@ -258,7 +258,7 @@ VLIB_INIT_FUNCTION (svs_api_init);
 /* *INDENT-OFF* */
 VLIB_PLUGIN_REGISTER () = {
     .version = VPP_BUILD_VER,
-    .description = "Source VRF Select",
+    .description = "Source Virtual Routing and Fowarding (VRF) Select",
 };
 /* *INDENT-ON* */