New 'cut' method in CcnxNameComponents (similar to java API cut method)
diff --git a/model/ccnx-name-components.h b/model/ccnx-name-components.h
index 622f51f..54f9998 100644
--- a/model/ccnx-name-components.h
+++ b/model/ccnx-name-components.h
@@ -112,6 +112,12 @@
    */
   std::list<boost::reference_wrapper<const std::string> >
   GetSubComponents (size_t num) const;
+
+  /**
+   * @brief Get prefix of the name, containing less  minusComponents right components
+   */
+  CcnxNameComponents
+  cut (size_t minusComponents) const;
   
   /**
    * \brief Print name