new verboseLegend() method that can be used to instruct when to enable VerboseMode.

Author: llavarello

src/gitxray/include/gx_context.py

@@ -20,6 +20,9 @@ def debugEnabled(self):
     def verboseEnabled(self):
         return self._cmd_args.verbose
 
+    def verboseLegend(self):
+        return "" if self.verboseEnabled() else "Set verbose mode for more data. "
+
     def listAndQuit(self):
         return self._cmd_args.list