iOS v2.2.1

✦ New icons to fit Nova brand
✦ New style for bottom tap bar
✦ Added new tab — DApps, now with Sub.ID DApp
✦ Redesigned Staking tab main page for nominators, validators & non-stakers
✦ Improved En & Ru localizations
✦ Added Youtube & Email links on Settings tab
✦ Fixes for Runtime logic (multiaddress/accountId compatability)
✦ Fixes for UI & networking