[feature/RST-25] Update dependencies.

Author: tomhrr

pom.xml

@@ -153,7 +153,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.3.1</version>
+            <version>4.3.6</version>
         </dependency>
 
         <dependency>
@@ -183,7 +183,7 @@
         <dependency>
             <groupId>commons-validator</groupId>
             <artifactId>commons-validator</artifactId>
-            <version>1.4.0</version>
+            <version>1.4.1</version>
         </dependency>
 
         <dependency>