Add option to preserve colorized output.

Fixes #28.
added the Queen's equivilent
Add an explaining comment in README.md
Remove redundant comment from Gruntfile.js
updated defaults and readme
Merge remote-tracking branch 'upstream/FarSeeing-colorize_output' into colorize-output
Allow user to suppress colorized output by setting only 1 option to false, not both.
Check both options in 1 test.
Merge pull request #29 from FarSeeing/colorize_output

Add option to preserve colorized output.