implemented reset with excludes

src/modules/systemlib/param/param.h

@@ -189,6 +189,18 @@ __EXPORT int		param_reset(param_t param);
  */
 __EXPORT void		param_reset_all(void);
 
+
+/**
+ * Reset all parameters to their default values except for excluded parameters.
+ *
+ * This function also releases the storage used by struct parameters.
+ *
+ * @param excludes			Array of param names to exclude from resetting. Use a wildcard
+ *							at the end to exclude parameters with a certain prefix.
+ * @param num_excludes		The number of excludes provided.
+ */
+ __EXPORT void		param_reset_excludes(const char* excludes[], int num_excludes);
+
 /**
  * Export changed parameters to a file.
  *