Remove trailing spaces (#665)

* Remove trailing spaces

* PR-665 -  Remove trailing spaces

- Updated not stable test t/pt-online-schema-change/preserve_triggers.t
- Updated utilities in bin directory

* PR-665 -  Remove trailing spaces

- Fixed typos

* PR-665 -  Remove trailing spaces

- Fixed typos

---------

Co-authored-by: Sveta Smirnova <sveta.smirnova@percona.com>

sandbox/servers/5.6/sys/functions/ps_is_consumer_enabled.sql

@@ -31,7 +31,7 @@ CREATE DEFINER='root'@'localhost' FUNCTION ps_is_consumer_enabled (
              Parameters
              -----------
 
-             in_consumer VARCHAR(64): 
+             in_consumer VARCHAR(64):
                The name of the consumer to check.
 
              Returns
@@ -51,8 +51,8 @@ CREATE DEFINER='root'@'localhost' FUNCTION ps_is_consumer_enabled (
              1 row in set (0.00 sec)
             '
     SQL SECURITY INVOKER
-    DETERMINISTIC 
-    READS SQL DATA 
+    DETERMINISTIC
+    READS SQL DATA
 BEGIN
     RETURN (
         SELECT (CASE