Add option "--dump-config"

This is initially intended for verifying the configuration parsing
mechanism and is currently undocumented.

strutil.c

@@ -386,12 +386,9 @@ output_check_status(CheckStatus status)
 	}
 
 	return "UNKNOWN";
-
 }
 
 
-
-
 /*
  * Escape a string for use as a parameter in recovery.conf
  * Caller must free returned value
@@ -433,7 +430,6 @@ escape_string(PGconn *conn, const char *string)
 /*
  * simple function to escape double quotes only
  */
-
 void
 escape_double_quotes(char *string, PQExpBufferData *out)
 {