Merged from trunk -r13849:13854

   Merged from trunk -r13849:13854

   | 13850   | Bug #270040 - Make repoman parse the categories file from    |
   | zmedico | the overlay.                                                 |

   | 13851   | Fix --onlydeps breakage. Thanks to Arfrever for reporting.   |
   | zmedico |                                                              |

   | 13852   | When backtracking due to an unsatisfied dependency, show a   |
   | zmedico | normal unsatisfied dependency message for the given atom.    |
   |         | Thanks to Thomas Sachau <tommy@gentoo.org> for reporting.    |

   | 13853   | Remove redundant loop inside                                 |
   | zmedico | depgraph._show_missed_update_slot_conflicts().               |

   | 13854   | Account for $ROOT inside                                     |
   | zmedico | depgraph._show_missed_update_unsatisfied_dep().              |

svn path=/main/branches/prefix/; revision=13867