Merged from trunk 6345:6351

   Merged from trunk 6345:6351

   +------------------------------------------------------------------------+
   | 6346     | remove references to DOCDESTTREE and INSDESTTREE            |
   | SpankMan |                                                             |
   |----------+-------------------------------------------------------------|
   | 6347     | change "DOCDESTTREE" to "_E_DOCDESTTREE_" to try and        |
   | SpankMan | prevent abuse from ebuild writers                           |
   |----------+-------------------------------------------------------------|
   | 6348     | tell people that the FILES section is not supposed to be    |
   | SpankMan | complete (and sneak in a few style fixups)                  |
   |----------+-------------------------------------------------------------|
   | 6349     | document /var/cache/edb/, /var/db/pkg/, and                 |
   | SpankMan | /var/lib/portage/config                                     |
   |----------+-------------------------------------------------------------|
   | 6350     | remove references to EXEDESTTREE                            |
   | SpankMan |                                                             |
   |----------+-------------------------------------------------------------|
   | 6351     | change "EXEDESTTREE" to "_E_EXEDESTTREE_" to try and        |
   | SpankMan | prevent abuse from ebuild writers                           |
   +------------------------------------------------------------------------+

svn path=/main/branches/prefix/; revision=6352