Updates

• Rename custom_directory to GeoIP_custom_directory. ( Boris Zentner )
• Make sure the database match the requested type. This is helpful for
  Databases with the same default name and the general geoiplookup form
  ( geoiplookup without a specific database ) ( Boris Zentner )
• apps/geoiplookup6.c use the ipnum instead of the hostname for lookups.
  ( Boris Zentner )
• Use configure.ac instead of configure.in ( Boris Zentner )
• Region lookup is a bit faster ( Boris Zentner )
• Add pkg-config file ( Bastien Nocera )
• Updates required to build a Windows DLL under MinGW ( Gerald Combs )
• Make API thread safe ( Boris Zentner )
• geoiplookup's default charset is UTF8
  -l change the charset back to iso8859-1 ( Boris Zentner )
• geoipupdate skips \r otherwise it might be part of the last
  product_id ( Boris Zentner )
• Update time zones ( Boris Zentner )
• Update Region codes ( Boris Zentner )
• Remove the unused CITYCONFIDENCE* database types ( Boris Zentner )
• bootstrap rebuilds ltmain.sh ( Boris Zentner )
• Update README.OSX for Lion ( Boris Zentner )
• Change Macedonia to Macedonia, The Former Yugoslav Republic of
  ( Boris Zentner )
• Add region_name to geoiplookup GEOIP_CITY_EDITION_REV1 ( Boris Zentner )
• Add region_name to geoiplookup GEOIP_CITY_EDITION_REV0 ( Chris Johnson )
• Add a --disable-data-files option. This allows you to build and install
  the library without having a data/GeoIP.dat file. This is useful when
  building the library from a checkout of the source tree, rather than a
  tarball ( Dave Rolsky )
• Add GEOIP_ACCURACYRADIUS_EDITION and GEOIP_ACCURACYRADIUS_EDITION_V6
  ( Boris Zentner )
• Add more database types GEOIP_COUNTRYCONF_EDITION,
  GEOIP_CITYCONF_EDITION, GEOIP_REGIONCONF_EDITION and
  GEOIP_POSTALCONF_EDITION ( Boris Zentner )
• Fix default filenames for GEOIP_NETSPEED_EDITION_REV1 and
  GEOIP_NETSPEED_EDITION_REV1_V6 ( Boris Zentner )