FIX: Updated remote Maven URLs.

For issue #98

pom.xml

@@ -35,13 +35,13 @@
   <repositories>
     <repository>
       <id>maven-central</id>
-      <url>http://central.maven.org/maven2/</url>
+      <url>https://repo1.maven.org/maven2/</url>
       <name>Maven Central</name>
     </repository>
     <repository>
       <id>maven-restlet</id>
       <name>Public online Restlet repository</name>
-      <url>http://maven.restlet.com</url>
+      <url>https://maven.restlet.com</url>
     </repository>
     <repository>
       <id>local-maven-repo</id>