Updating java-jwt version to 0.4

Author: pose

html/index.html

@@ -268,7 +268,7 @@ <h3 class="panel-title">Java</h3>
 
             <div class="panel-footer">
               <div>
-                <code>maven: com.auth0 / java-jwt / 0.2</code>
+                <code>maven: com.auth0 / java-jwt / 0.4</code>
               </div>
               <div>
                 <i class="fa fa-github"></i> <a href="https://github.com/auth0/java-jwt">auth0/java-jwt</a>

index.html

@@ -263,7 +263,7 @@ <h3 class="panel-title">Java</h3>
 
             <div class="panel-footer">
               <div>
-                <code>maven: com.auth0 / java-jwt / 0.2</code>
+                <code>maven: com.auth0 / java-jwt / 0.4</code>
               </div>
               <div>
                 <i class="fa fa-github"></i> <a href="https://github.com/auth0/java-jwt">auth0/java-jwt</a>
@@ -455,7 +455,7 @@ <h3 class="panel-title">Haskell</h3>
               <div><i class="fa fa-group"></i>Maintainer: <a href="https://bitbucket.org/ssaasen">Stefan Saasen</a></div>
               <!-- <div><i class="fa fa-code"></i>Usage: <a href="#">Sign</a> · <a href="#">Verify</a></div> -->
             </div>
-            
+
             <div class="panel-footer">
               <div>
                 <code>cabal install jwt</code>