Pre-beta mechanical code beautification.

Run pgindent, pgperltidy, and reformat-dat-files.
I manually fixed a couple of comments that pgindent uglified.

src/backend/utils/cache/plancache.c

@@ -689,10 +689,10 @@ RevalidateCachedQuery(CachedPlanSource *plansource,
 											  queryEnv);
 	else
 		tlist = pg_analyze_and_rewrite_fixedparams(rawtree,
-									   plansource->query_string,
-									   plansource->param_types,
-									   plansource->num_params,
-									   queryEnv);
+												   plansource->query_string,
+												   plansource->param_types,
+												   plansource->num_params,
+												   queryEnv);
 
 	/* Release snapshot if we got one */
 	if (snapshot_set)