Fixes for Short name

This release fixes some short name issues not being shown properly. Also fixes an issue with the manager blanking out whilst waiting for metamask to login

Delete multicoin record

• Sets empty string to delete a record
• Bypass encode/decode if empty string

Multicoin support

• Supports multiple coins
• Uses https://github.com/ensdomains/address-encoder
• Validates coin format
• Fix bug of old setContent not working

Text Record

Adds support for a limited number of text records that can be viewed/added to each name

Various bug fixes, ipfs additional format support and change opensea link

• Update open sea link (#470)
• Ipfs format (#467)
• Change manifest name to ENS App (#468)
• Upgrade ui and react-ens-address (#469)
• Remove duplicate button (#471)
• Remove old ui and fix opensea link text (#472)

Short Name Auction Links

• Added link to OpenSea for the short name auctions

Address component

• Adds EtherScanLink for Address page
• Adds updated stylieng for Address pag
• Fixes DNSSEC bug showing renew
• Fixes onion3 record placeholder

Name Query speed improvements

• /name route refactoring to improve load times

Speed up loading favourites

Changes the favourites query so it does not need to get all the name details to load

MyEthVault support and display grace period properly

• Add myethvault support (#421) addressing #383
• Display grace period (#382) fixing #363