0.4.0

Add license generation feature: #23

Usage:

nfty-project-license 0.4.0
Generate software licenses for a project

USAGE:
    nfty project license [FLAGS] [OPTIONS]

FLAGS:
    -h, --help        Prints help information
        --no-clean    Disable deletion other licenses before license generation. By default, all files matching
                      `LICENSE*` will be removed before rendering new licenses
    -V, --version     Prints version information

OPTIONS:
    -a, --author <license-holder>    The author/copyright holder for the license(s) [default: Naftuli Kay]
    -t, --type <license-type>        The type of license to generate. Options can be oss, mit, apache2, and private.
                                     'oss' is a special value, it implies both MIT and Apache2 [default: oss]
        --dir <project-dir>          The root directory of the project to manage licenses for. Defaults to the current
                                     directory

Simply calling nfty project license will remove old licenses and add LICENSE-MIT and LICENSE-APACHE to the current directory with the author's name (default is "Naftuli Kay") with the current year rendered in the license.