minor update for README
add without-db config: not actually update databases
add multiple repositories support
minor README update
add a "pkgrepo" column to record which repository the entry belongs to
rename archrepo.ini to archrepo.ini.example
fix typo
check config for duplicate repo settings
minor README update
Update README.mkd
support symlinks
setup.py and directory structure change

and README switched to rst
remove accidentially added local config file
remove winterpy dependency
auto-rename and symlink-any can be turned off now
README update