[discourse-mozillians] v1.0

[leo (Leo McArdle)]

[Status] Released: https://github.com/LeoMcA/discourse-mozillians/releases/tag/1.0.0

Done

• Get is_vouched status from Mozillians API v1 (migrate from discourse-persona-mozillians) [commit]
• Add button to user prefs to update data [commit]
• Allow app_name and app_key configs to be set as env var [commit]