Move HTTPServer.geoipdb to _geoipdb and outside try function.
Move HTTPServer.geoipdb to _geoipdb and outside try function.

 * If it's outside the try function, it's easier to change from other modules
   (as well as for unittests).

wfn/bridgedb,mmaker/bridgedb,pagea/bridgedb,mmaker/bridgedb,wfn/bridgedb,pagea/bridgedb