Support `--force-publish` arrays and booleans (#781)
Support `--force-publish` arrays and booleans (#781)

The following examples are now equivalent:

```sh
# force publish all packages
lerna publish --force-publish
lerna publish --force-publish=*

# force publish foo and bar packages
lerna publish --force-publish foo,bar
lerna publish --force-publish foo --force-publish bar
```
treshugart/lerna,lerna/lerna,lerna/lerna,evocateur/lerna,FaHeymann/lerna,evocateur/lerna,kittens/lerna,lerna/lerna,sebmck/lerna,tbayaa/lerna