revert to jackson 1.9.13 and upgrade restlet to 2.1.4
diff --git a/pom.xml b/pom.xml
index fc719a3..166cbd9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,7 +31,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <powermock.version>1.5.1</powermock.version>
-    <restlet.version>2.1-RC1</restlet.version>
+    <restlet.version>2.1.4</restlet.version>
     <github.global.server>github</github.global.server>
   </properties>
   <build>
@@ -280,9 +280,14 @@
       <version>${restlet.version}</version>
     </dependency>
     <dependency>
-     <groupId>com.fasterxml.jackson.core</groupId>
-     <artifactId>jackson-core</artifactId>
-     <version>2.2.2</version>
+      <groupId>org.codehaus.jackson</groupId>
+      <artifactId>jackson-core-asl</artifactId>
+      <version>1.9.13</version>
+    </dependency>
+    <dependency>
+      <groupId>org.codehaus.jackson</groupId>
+      <artifactId>jackson-mapper-asl</artifactId>
+      <version>1.9.13</version>
     </dependency>
     <dependency>
       <groupId>ch.qos.logback</groupId>