Fix typo.

Author: bastiao

pom.xml

@@ -4,7 +4,7 @@
     <groupId>pt.ua.dicoogle.demo</groupId>
     <artifactId>dicoogle-plugin-sample</artifactId>
     <name>dicoogle-plugin-sample</name>
-    <version>2.0.0</version>
+    <version>2.1.0</version>
     <packaging>jar</packaging>
 
     <properties>
@@ -125,7 +125,6 @@
     </repositories>
 
     <dependencies>
-        <dependency>
         <dependency>
             <groupId>org.restlet.jse</groupId>
             <artifactId>org.restlet.ext.json</artifactId>