Update colorizer.js to check for ANSICON and have colors on Windows

Check env variable 'ANSICON', and if exists, colorize the output.
Update colorizer.js to check for ANSICON and have colors on Windows

Check env variable 'ANSICON', and if exists, colorize the output.
Update colorizer.js to check for ANSICON and have colors on Windows
Merge pull request #491 from renatodarrigo/patch-1

refs #490 - checking for ANSICON on colorizer.js to have colors on Windows