[CLC-3071] Textbooks: Improve UI
[CLC-3210] Textbook feed is not displayed in dev
Merge pull request #2073 from haroonrasheed333/CLC-3071

[CLC-3071] Textbooks: Improve UI
Merge pull request #2075 from haroonrasheed333/CLC-3210

[CLC-3210] Textbook feed is not displayed in dev
Merge pull request #2072 from raydavis/raywip

Looks good!
CLC-3188: LiveUpdates: Hit updated_feeds API earlier and more often

https://jira.media.berkeley.edu/jira/browse/CLC-3188

The UI now makes the updated feeds request at the given intervals after page load: 2s, 5s, 15s, and then every 60 seconds after that.
Merge pull request #2076 from chikoon/CLC-3188-hit-updated-feeds-more-often

CLC-3188: LiveUpdates: Hit updated_feeds API earlier and more often
CLC-2712 Show the entire Canvas recent-activities feed on the dashboard