added eclipse orbit to search path

fortiss-std-env/buckminster/fortiss_indigo.rmap

@@ -4,6 +4,7 @@
   <rm:locator pattern="^org\.lwjgl.*" searchPathRef="lwjgl"/>
   <rm:locator pattern="^org\.eclipse\.nebula.*" searchPathRef="nebula"/>
   <rm:locator searchPathRef="indigo"/>
+  <rm:locator searchPathRef="orbit"/>
   <rm:searchPath name="fortiss">
     <rm:provider componentTypes="osgi.bundle" readerType="svn">
       <rm:uri format="https://proxy_svn:dW09WmzRcCUF@orion.fortiss.org/svn/af3/{0}/trunk">
@@ -52,4 +53,11 @@
       <rm:uri format="http://download.eclipse.org/technology/nebula/snapshot"/>
     </rm:provider>
   </rm:searchPath>
+  <rm:searchPath name="orbit">
+    <rm:provider componentTypes="osgi.bundle,eclipse.feature" readerType="p2" source="false" mutable="false">
+      <rm:property key="buckminster.source" value="false"/>
+      <rm:property key="buckminster.mutable" value="false"/>
+      <rm:uri format="http://download.eclipse.org/tools/orbit/downloads/drops/R20110523182458/repository/"/>
+    </rm:provider>
+  </rm:searchPath>
 </rm:rmap>