Merge pull request #23 from Unknwon/master

Colorful log print
Go docs advise to use strings.HasPrefix.
Evaluate symlinks before comparing path.
Merge pull request #24 from pnelson/master

Follow symlinks on 'bee new project_name'.
Fixed bug: repeat build in Mac OS, change to check file ModTime insetad of event time
Fixed bug: repeat build in Mac OS, change to check file ModTime insetad of event time
Fixed bug: repeat build in Mac OS, change to check file ModTime insetad of event time
Fixed bug: repeat build in Mac OS, change to check file ModTime insetad of event time
Update color ouput
Merge branch 'master' of github.com:astaxie/bee