Configure travis to use the downloaded geoip databases

.travis.yml

@@ -9,6 +9,8 @@ install:
   - mkdir -p $TRAVIS_BUILD_DIR/db
   - curl -s http://geodns.bitnames.com/geoip/GeoLiteCity.dat.gz | gzip -cd > $TRAVIS_BUILD_DIR/db/GeoIPCity.dat
   - curl -s http://download.maxmind.com/download/geoip/database/asnum/GeoIPASNum.dat.gz | gzip -cd > $TRAVIS_BUILD_DIR/db/GeoIPASNum.dat
+  - echo [geodns] >> dns/geodns.conf
+  - echo Directory=$TRAVIS_BUILD_DIR/db >> dns/geodns.conf
   - go get github.com/abh/dns
   - go get github.com/abh/geoip
   - go get gopkg.in/check.v1