Console: NetDB search form improvements

...sole/java/src/net/i2p/router/web/helpers/NetDbHelper.java

...le/java/src/net/i2p/router/web/helpers/NetDbRenderer.java

router/java/src/net/i2p/router/CommSystemFacade.java

...va/src/net/i2p/router/transport/CommSystemFacadeImpl.java

router/java/src/net/i2p/router/transport/GeoIP.java