Fix orbit repo layout

Signed-off-by: Fred Bricon <fbricon@gmail.com>

Author: fbricon

pom.xml

@@ -61,6 +61,7 @@
     </repository>
     <repository>
       <id>orbit</id>
+      <layout>p2</layout>
       <url>http://download.eclipse.org/tools/orbit/downloads/drops/R20140525021250/repository/</url>
     </repository>
   </repositories>