v0.2 Fix a lot of things :

* add common method signNode() and addNonde()
  * Try to auth to operator if not already set
  * Fix an error in ADEPT protocol : attributes must be hashed in alphabetical order, not in reverse one
  * Update DRMProcessorClient

include/user.h

@@ -70,6 +70,11 @@ namespace gourou
 	 */
 	std::string getProperty(const std::string property);
 	
+	/**
+	 * @brief Get all nodes with property name
+	 */
+	pugi::xpath_node_set getProperties(const std::string property);
+	
 	/**
 	 * @brief Create activation.xml and devicesalt files if they did not exists
 	 *