Remove trailing whitespace from documentation

Removed trailing whitespace from all documents.

Documentation/Filters/Luafilter.md

@@ -49,7 +49,7 @@ The entry points for the Lua script expect the following signatures:
     - The `closeSession` function in the Lua scripts will be called.
 
   - `(nil | bool | string) routeQuery(string)` - query is being routed
-  
+
     - The Luafilter calls the `routeQuery` functions of both the session and the
       global script.  The query is passed as a string parameter to the
       routeQuery Lua function and the return values of the session specific

Documentation/Filters/RabbitMQ-Consumer-Client.md

@@ -67,7 +67,7 @@ configured into the separate `consumer.cnf` file.
 | user		| Username for the RabbitMQ server             |
 | passwd	| Password for the RabbitMQ server             |
 | queue		| Queue to consume from                        |
-| dbserver	| Hostname of the SQL server                   | 
+| dbserver	| Hostname of the SQL server                   |
 | dbport	| Port of the SQL server                       |
 | dbname	| Name of the SQL database to use              |
 | dbuser	| Database username                            |

Documentation/Filters/Regex-Filter.md

@@ -30,7 +30,7 @@ filters=MyRegexfilter
 
 ## Filter Options
 
-The Regex filter accepts the options ignorecase or case. These define if the pattern text should take the case of the string it is matching against into consideration or not. 
+The Regex filter accepts the options ignorecase or case. These define if the pattern text should take the case of the string it is matching against into consideration or not.
 
 ## Filter Parameters
 

Documentation/Filters/Top-N-Filter.md

@@ -210,6 +210,6 @@ Average statement execution time     1.488 seconds
 
 Total connection time               46.500 seconds
 
--bash-4.1$ 
+-bash-4.1$
 
 ```

Documentation/Filters/Transaction-Performance-Monitoring-Filter.md

@@ -47,7 +47,7 @@ filename=/tmp/SqlQueryLog
 
 ### Source
 
-The  optional  `source`  parameter  defines  an  address  that  is  used 
+The  optional  `source`  parameter  defines  an  address  that  is  used
 to  match  against  the  address  from  which  the  client  connection
 to  MaxScale  originates.  Only  sessions  that  originate  from  this
 address  will  be  logged.
@@ -95,11 +95,11 @@ disabled when the router receives the character '0' from this named pipe.
 The default named pipe is **`/tmp/tpmfilter`** and logging is **disabled** by default.
 
 	named_pipe=/tmp/tpmfilter
-	
+
 For example, the following command enables the logging:
 
 	$ echo '1' > /tmp/tpmfilter
-	
+
 Similarly, the following command disables the logging:
 
 	$ echo '0' > /tmp/tpmfilter