Prep 5.7
Fix changelog type

Oops :(
Clean up winter-sale specific code

Fix overlays on homepage
Fix selectors in options.js
Updated French translation
Greenlight banner CSS on non-homepages

This update fixes an issue where Greenlight banners on discussions,
announcements, etc did not have the apphub.css from Steam.
Adds steam review score to app pages
Update price history to include all apps on page
Fix issues with Weeklong Sales. Currently packages are not worked out. Will look into it.
Fix packages not having pricing listed. Remove the margin from rows.
Fixed issue with Featured Early Access banner. Moved the discount percentages to ensure they do not overlap tags.
Fixes #197
Update changelog
Fixes #327
Add Square Enix and Bundlestars to price history
Fixes #384
Build 5.7