Applied the patch for http proxy.
From https://code.google.com/p/connectbot/issues/detail?id=610
By: Bjarni R. Einarsson <bre@klaki.net>
Fixed typo.
updated the hostdatabase version to 24
Merge pull request #78 from sprig/http-proxy

Added http proxy option based on patch from https://code.google.com/p/connectbot/issues/detail?id=610