Update placement of { in some examples in the documentation

Author: adrienbaron

docs-source/book/composition/custom-directives.md

@@ -110,8 +110,7 @@ If your directive needs multiple values, you can also pass in a JSON object lite
 
 ```java
 @Override
-public void inserted(Element el, VueDirectiveBinding binding)
-{
+public void inserted(Element el, VueDirectiveBinding binding) {
     JsObject value = (JsObject) binding.value;
     value.get("color") // white
     value.get("text") // hello!

docs-source/book/essential/the-vue-instance.md

@@ -67,8 +67,7 @@ this.todo = new Todo();
 
 And your `Todo` class looks like this:
 ```java
-public class Todo
-{
+public class Todo {
     private String text;
 
     public Todo(String s) {

docs-source/book/gwt-integration/styles.md

@@ -22,8 +22,7 @@ This annotation will automatically generate a GWT Bundle for us.
 
 ```java
 @Style
-public interface MelisandreComponentStyle extends CssResource
-{
+public interface MelisandreComponentStyle extends CssResource {
     String red();
     String bold();
 }

docs-source/book/introduction/README.md

@@ -206,8 +206,7 @@ For example, the `v-for` directive can be used for displaying a list of items.
 
 Let's assume we have a `Todo` POJO:
 ```java
-public class Todo
-{
+public class Todo {
     private String text;
 
     public Todo(String s) {