Prepare release v4.0.0

Author: anthonyroux

README.md

@@ -34,12 +34,12 @@ You can install the SDK via Maven or Gradle.
 <dependency>
   <groupId>com.amadeus</groupId>
   <artifactId>amadeus-java</artifactId>
-  <version>3.3.0</version>
+  <version>4.0.0</version>
 </dependency>
 ```
 #### Gradle
 ```js
-compile "com.amadeus:amadeus-java:3.3.0"
+compile "com.amadeus:amadeus-java:4.0.0"
 ```
 
 ## Getting Started

gradle.properties

@@ -1,5 +1,5 @@
 GROUP=com.amadeus
-VERSION_NAME=3.3.0
+VERSION_NAME=4.0.0
 
 POM_URL=https://github.com/amadeus4dev/amadeus-java
 POM_SCM_URL[email protected]:amadeus4dev/amadeus-java.git

src/main/java/com/amadeus/Amadeus.java

@@ -25,7 +25,7 @@ public class Amadeus extends HTTPClient {
   /**
    * The API version.
    */
-  public static final String VERSION = "3.3.0";
+  public static final String VERSION = "4.0.0";
 
   /**
    * <p>

src/test/java/com/amadeus/AmadeusTest.java

@@ -52,7 +52,7 @@ public void testBuilderWithInvalidEnvironment() {
   }*/
 
   @Test public void testVersion() {
-    assertEquals("should have a version number", Amadeus.VERSION, "3.3.0");
+    assertEquals("should have a version number", Amadeus.VERSION, "4.0.0");
   }
 
 }