CGO install note
OSX FUSE note.
addCmd -> nameCmd

Thanks to @cryptix
OSX Fuse issue link
rewrote HOME dir lookup (no cgo)
use mitchellh/go-homedir instead of simple HOME lookup
checkin github.com/mitchellh/go-homedir"
simplify TildeExpansion()
Merge pull request #178 from cryptix/noCgo

rewrote HOME dir lookup (no cgo)
remove utils.PErr()
introduce IPFS_DEBUG env var
fix IPFS_DEBUG logging
daemon should log a command error too
use log.Error() config.PathRoot() and CmdIpfs.Dispatch() err
add log command
implemented `ipfs log` command
added help about wildcard
output these errors directly to the user
updated cmdIpfsLog help text
SetupLogging() also called in init() in util/log.go