Merged from trunk -r15470:15477

   Merged from trunk -r15470:15477

   | 15471   | Bug #307021 - Show "Please fix" message in red instead of    |
   | zmedico | turquoise when repoman fails.                                |

   | 15472   | Another turquoise -> red.                                    |
   | zmedico |                                                              |

   | 15473   | Move missing encodings module workarounds (<python-2.6.4 +   |
   | zmedico | USE=build) to a _ensure_encodings module that's only         |
   |         | imported on demand.                                          |

   | 15474   | Remove unused 'dircache' variable that's moved to            |
   | zmedico | portage.util.listdir.                                        |

   | 15475   | Move portage._global_updates to a submodule.                 |
   | zmedico |                                                              |

   | 15476   | Remove deprecated flushmtimedb function.                     |
   | zmedico |                                                              |

   | 15477   | Fix reference to portage.util.listdir.dircache.              |
   | zmedico |                                                              |

svn path=/main/branches/prefix/; revision=15485