Merged from trunk 7698:7705

   Merged from trunk 7698:7705

   | 7699     | remove $Id$ as it gives us nothing useful                   |
   | SpankMan |                                                             |

   | 7700     | Bug #190214 - Make the rpm phase use /usr/src/rpm instead   |
   | zmedico  | of /usr/src/redhat. Bug #190144 - Use the realpath of       |
   |          | DISTDIR so that things like subversion.eclass are           |
   |          | compatible with sandbox.                                    |

   | 7701     | Move blocker handling from depgraph.create() to             |
   | zmedico  | select_dep().                                               |

   | 7702     | change directory to / in case $PWD doesnt exist             |
   | SpankMan |                                                             |

   | 7705     | Bug #190406 - Filter the myheaders list so that it doesn't  |
   | zmedico  | include binary blobs added to cvs with the -kb option.      |

svn path=/main/branches/prefix/; revision=7707