add verbosities

add verbosity constants to Tool

Author: marc1uk

src/Tool/Tool.h

@@ -38,7 +38,11 @@ class Tool{
 
  private:
   std::string m_tool_name;
-  
+  int get_ok;
+  static const int v_error=0;
+  static const int v_warning=1;
+  static const int v_message=2;
+  static const int v_debug=3;