applications: Define std* in the proper class

This would make weboob-debug unusable, for example.

weboob/tools/application/base.py

@@ -100,6 +100,10 @@ class BaseApplication(object):
     # Copyright
     COPYRIGHT = None
 
+    stdin = sys.stdin
+    stdout = sys.stdout
+    stderr = sys.stderr
+
     # ------ Abstract methods --------------------------------------
     def create_weboob(self):
         return Weboob()

weboob/tools/application/console.py

@@ -73,10 +73,6 @@ class ConsoleApplication(BaseApplication):
         BOLD   = ''
         NC     = ''    # no color
 
-    stdin = sys.stdin
-    stdout = sys.stdout
-    stderr = sys.stderr
-
     def __init__(self, option_parser=None):
         BaseApplication.__init__(self, option_parser)
         self.weboob.callbacks['login'] = self.login_cb