Add `--color=false` option to disable colorized output
Group flags
Merge pull request #27 from mlafeldt/disable-color

Allow to disable colorized output
Change TestDownloadFile to not depend on line ending
Use filepath.Base instead of path.Base
Add bin stubs for Windows
Shell out to `go` instead of `bash`
Cross-compile Windows binaries
Use single quotes to quote ssh args

For some reason, double quotes do not work under Windows.