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
cleaned up SetupLogging()
Merge pull request #179 from cryptix/improveLogging

Improve logging