Olivier Mangin 6e68bd5251 Simplifies loading of plugins parsers.
- Plugins now only present a get_commands method taking the parser to
  populate as argument and returning an iterable with which the cmds
  dictionary is updated (i.e. the plugins returns the command callbacks).
- The name attribute in plugins is now a class attribute.
2013-07-12 15:36:17 +02:00
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