Fixed issue in MockOs that made MockWebServer leak connections when native methods in libcore.io.Posix used by the socket code throws SocketException. (#19)
Will now install a fake InetAddress returned by InteAddress.getLocalHost() if the host's hostname doesn't resolve to any of the host's IP addresses. (#19)
Fixed HTTP connection leak problem leading to "Too many open files" when running the tests on iOS. (#19)