media: Give option to not upload scraped thumbnail.
Use scraper for promoted link embeds.
utils.md: Allow passthrough kwargs.
Comment: Don't make duplicate collapsed/noncollapsed.
Cleanup comment_skeleton inherited templates.
PromoteInventory: fix dict.fromkeys mutable item issues.
POST_morechildren: Don't lookup comments in validator.
Media: Remove truncation of filename hashes.

This was unnecessary and could potentially allow for easier collisions.
Media: Switch to SHA-256 for file hashing.
traffic.top_last_month: Specify how many results to return.
traffic: Split PageviewsBySubreddit for top and specified.
SitewideTraffic: Show top 250 subreddits.
CSS Filter: Add 'cubic-bezier' to SAFE_FUNCTIONS
CSS Filter: Add 'will-change' to SAFE_PROPERTIES

In the browsers that support it, this property will allow for GPU-accelerated animations.
CSS Filter: Add 'order' to CSS SAFE_PROPERTIES

Allow the order property for sorting flex items
Plug several leaks of (username, flair) pairs for deleted users

Thanks to /u/rotorcowboy for the report!
Fix hiding/showing of tagline for comments collapsed for a reason.
Show collapsed comment when numchildren is clicked.
OAuth2: Don't call get_token with empty ID
OAuth2: Manual token revocations

Clients may now revoke tokens when they are finished. Though
not required, revocation allows clients to "dispose" of no
longer needed credentials.

This implements RFC 7009