Merged from trunk -r13857:13865

   Merged from trunk -r13857:13865

   | 13858   | Add get_updated_config_files in portage API                  |
   | volkmar | chk_updated_cfg_files in _emerge API is now using            |
   |         | get_updated_config_files It lets other app to get updated    |
   |         | config files without ouputs                                  |

   | 13859   | Rename get_updated_config_files() to                         |
   | zmedico | find_updated_config_files() and make it an iterator of       |
   |         | tuples.                                                      |

   | 13860   | Updating find_updated_config_files function description      |
   | volkmar |                                                              |

   | 13861   | Move the setsid code (from bug #278895) as early as          |
   | zmedico | possible.                                                    |

   | 13862   | Fix breakage in owners() handling of abs paths.              |
   | zmedico |                                                              |

   | 13863   | Add a python-based setsid script for use with USERLAND=BSD.  |
   | zmedico |                                                              |

   | 13864   | Bug #276264 - Advise manual removal of the metadata/cache/   |
   | zmedico | direcory when using eclass-overrides.                        |

   | 13865   | In depgraph._show_slot_collision_notice(), display $ROOT (if |
   | zmedico | not /) with each slot atom.                                  |

svn path=/main/branches/prefix/; revision=13869