ignore *.dSYM (darwin debug directories) and binary library/gd_mf_weights
use strerror(errno) for error reporting throughout
make the log of the communication with spanning_tree more transparent
#include <cerrno> for errno
more verbose spanning_tree error reporting and communications
various helpful renamings
fixed 32 bit searn build issue
inet_ntop on win32 is declared in winsock2 as InetNtop
use the ASCII version of InetNtop
also check the return value of listen()
Platform differences file: platform.h to avoid #ifdef clutter (preliminary)
Merge branch 'master' of git://github.com/JohnLangford/vowpal_wabbit
Don't undef Windows warning mufflers - it may be safer to pay attention to the warnings
Merge branch 'master' of git://github.com/JohnLangford/vowpal_wabbit
consolidate rate_decay computation
windows compiles without warnings
fixed merge issues
Merge pull request #309 from hal3/master

mostly making snapshotting for searn faster -- overall 33% improvement!
Merge branch 'master' of git://github.com/JohnLangford/vowpal_wabbit
Quiet clang++ warning: conversion from string literal to 'char *'