Honor grunt --no-color in child process output

If grunt was invoked with --no-color, use npm package stripcolorcodes to
strip colors from the child process' output before forwarding it on to
stdout and stderr.
Merge pull request #41 from ksheedlo/color-strip

Honor grunt --no-color in child process output
Dotfiles and use `files` property
0.3.1
Improve examples. Fixes #43
Merge remote-tracking branch 'upstream/master'