Changed manage.py shell's help text to reflect that it can invoke bpython.

Author: alex

django/core/management/commands/shell.py

@@ -5,9 +5,9 @@
 class Command(NoArgsCommand):
  option_list = NoArgsCommand.option_list + (
  make_option('--plain', action='store_true', dest='plain',
- help='Tells Django to use plain Python, not IPython.'),
+ help='Tells Django to use plain Python, not IPython or bpython.'),
  )
- help = "Runs a Python interactive interpreter. Tries to use IPython, if it's available."
+ help = "Runs a Python interactive interpreter. Tries to use IPython or bpython, if one of them is available."
  shells = ['ipython', 'bpython']
  requires_model_validation = False