20200430master (01/05/2020)

[closed] feat(theming): dark mode 🌚 #6258
[closed] background post #6532
[closed] match strictly to prevent profiles starting with web3 from redirecting #6535
[closed] Redesign Weekly Email #6438
[closed] chore: fix up css in accounts #6533
[closed] Change Quest selected option button color to green for better UI #6522
[closed] fixes for darkmode #6531
[closed] Ratings Sections #6073
[closed] Change color selected answer on Quests coupling background visually #6523
[closed] New As a user, I would like to be able to request money from someon, so I can get paid and remind a forgetful funder. #6411
[closed] As a Gitcoin admin, I want an embedded survey for each Gitcoin hackathon so I know the motivations of each hacker #6128
[closed] Make kudos center aligned. Follow-up to #6438 #6526
[closed] redeem kudos timer #6520
[closed] Following section #6301
[closed] removes deadcode (ethos app and ethdenver app) #6521
[closed] Show active andd canceled grant subscriptions in profile #6455
[closed] chore: add confirmation to migrate_grant #6508
[closed] cross: redo payout flow #6524
[closed] Add cards for Town Square #6498
[closed] add uri schema for celo, zil #6511
[closed] export earnings, txid, token name/value, payee location [#5957](#5957

Changelog

[closed] Fix for channel purpose on private channels being too long #6537
[closed] Fixes weekly email #6534
[closed] disable survey modal if no survey #6544
[closed] background post #6532
[closed] match strictly to prevent profiles starting with web3 from redirecting #6535