- Improved bconditionals parsing; ie: '--with foo bar bas --without boo'

- Improved bconditionals parsing; ie: '--with foo bar bas --without boo'
- Added BuildRequirement preinstall option: use -R || --fetch-build-requires
- Added basic poldek index generation functionality (based on 'cvs' named source
  in /etc/poldek.conf; like: source = cvs /home/users/yoshi/rpm/RPMS/. Use -Upi
  or --update-poldek-indexes to make use of it
  search 'POLDEK_INDEX_DIR' and 'POLDEK_SOURCE' to find out more
- Additional changes to --help

Changed files:
    builder.sh -> 1.206