DATAREDIS-789 - Polishing.

Remove trailing whitespaces.

Original pull request: #324.

src/main/asciidoc/reference/redis-scripting.adoc

@@ -11,34 +11,34 @@ Here's an example that executes a common "check-and-set" scenario using a Lua sc
 
 [source,java]
 ----
-@Bean 
-public RedisScript<Boolean> script() { 
-  DefaultRedisScript<Boolean> redisScript = new DefaultRedisScript<Boolean>(); 
+@Bean
+public RedisScript<Boolean> script() {
+  DefaultRedisScript<Boolean> redisScript = new DefaultRedisScript<Boolean>();
   redisScript.setScriptSource(new ResourceScriptSource(new ClassPathResource("META-INF/scripts/checkandset.lua")));
-  redisScript.setResultType(Boolean.class); 
+  redisScript.setResultType(Boolean.class);
 }
 ----
 
 [source,java]
 ----
-public class Example { 
-  @Autowired 
-  RedisScript<Boolean> script; 
-  public boolean checkAndSet(String expectedValue, String newValue) { 
-    return redisTemplate.execute(script, Collections.singletonList("key"), expectedValue, newValue); 
-  } 
+public class Example {
+  @Autowired
+  RedisScript<Boolean> script;
+  public boolean checkAndSet(String expectedValue, String newValue) {
+    return redisTemplate.execute(script, Collections.singletonList("key"), expectedValue, newValue);
+  }
 }
 ----
 
 [source,lua]
 ----
- -- checkandset.lua
- local current = redis.call('GET', KEYS[1]) 
- if current == ARGV[1]
-   then redis.call('SET', KEYS[1], ARGV[2])
-   return true
- end
- return false 
+-- checkandset.lua
+local current = redis.call('GET', KEYS[1])
+if current == ARGV[1]
+  then redis.call('SET', KEYS[1], ARGV[2])
+  return true
+end
+return false
 ----
 
 The XML above configures a `DefaultRedisScript` pointing to a file called `checkandset.lua`, which is expected to return a boolean value. The script `resultType` should be one of `Long`, `Boolean`, `List`, or deserialized value type. It can also be null if the script returns a throw-away status (i.e "OK"). It is ideal to configure a single instance of `DefaultRedisScript` in your application context to avoid re-calculation of the script's SHA1 on every script execution.
@@ -47,4 +47,3 @@ The checkAndSet method above then executes th
 Scripts can be executed within a `SessionCallback` as part of a transaction or pipeline. See <<tx>> and <<pipeline>> for more information.
 
 The scripting support provided by Spring Data Redis also allows you to schedule Redis scripts for periodic execution using the Spring Task and Scheduler abstractions. See the `Spring Framework` documentation for more details.
-