Include --word when importing selections in Atom plugin
Include --word when importing selections in Atom plugin

As @trotzig [pointed out in code review][0], we shouldn't really need to
include this argument when importing selections, because the selections
contain the words already, but with the way the CLI tool currently
works, we need it. This commit makes that so.

[0]: https://github.com/trotzig/import-js/pull/231/files/940afae2#r56246833

trotzig/import-js,Galooshi/import-js,trotzig/import-js,trotzig/import-js