Adds a new constructor to Action it now receives kind as parameter

The property kind is mandatory to be specified by actions who extends the class
Action. The new constructor make simpler the implementation of new actions.

src/actions/action.h

@@ -34,6 +34,9 @@ class Action {
     explicit Action(std::string _action)
         : action_kind(2),
         action(_action) { }
+    explicit Action(std::string _action, int kind)
+        : action_kind(kind),
+        action(_action) { }
 
     /**
      *