* render the shortnames as unicode when sending a message

* updated CHANGES.md

This helps translators reorder words in the string.

was open instead of get in the example for get

Also, don't clear events in `renderMessage`, try to keep it free from
side-effects.

`optional_dependencies` is now called `dependencies`

when determining where to insert new messages

* chore(package): update dependencies
* docs(readme): add Greenkeeper badge