Unreleased changes

Core-Addon
- #294: Only process messages from known, installed studies. Additionally rename ionInstalled to studyInstalled.
- #301: Correctly report the zip code in the demographics survey.

v0.7.1 (2021-01-13)

Core-Addon
- #237: Remove reliance on the Firefox Pioner ID pref.
- Breaking change - #262: rename the org from mozilla-ion to mozilla-rally. Without this change the core add-on won't be able to communicate with the test website.
- #271: drop or change references to Ion in the codebase. This additionally changes the add-on id to rally-core@mozilla.org.
- Breaking change - #282: listen for messages from the Rally staging site vs. the github.io site.
- #283: Copy only the needed font files used by the core add-on; copy only the woff2 versions.
- #288 Fix a bug where studies are not displayed after the first time the option page was opened.
- #285 & #290: Update the "how it works" and "FAQ" links to point to the corresponding staging site pages.
rally.js
- Breaking change - #262: rename the org from mozilla-ion to mozilla-rally. Without this change no communication with the core add-on is possible.
- #269: Allow using the Rally.js support library without a bundler.

Added this changelog file.
The data collected from the demographic survey is being submitted to the Rally servers.
The full onboarding flow is now complete.