* v2-prototype: (33 commits)
Only show ProviderDisplay in portal
Improve sol-cov docs
Remove old parse code
Refactor order parser and add shared order support to new portal
Add generate and fill order routes
Address feedback
Override ethereumjs-tx version
Fix missing key
Update placeholder param ordering
Change userEtherBalanceInWei to optional so we can know if its loading
Add loading state to ProviderDisplay
Tweaks
Add Placeholder component
Add StandardIconRow
Split render into loading and loaaded
Fix linter errors
Fix linter errors
Add ethereum-types to extraFileIncludes
Introduce ethereum-types package
Remove merge conflicts from yarn.lock
...
# Conflicts:
# packages/contracts/src/utils/exchange_wrapper.ts
# packages/contracts/src/utils/match_order_tester.ts
# packages/contracts/src/utils/types.ts
# packages/contracts/test/exchange/core.ts
# packages/contracts/test/exchange/match_orders.ts
# packages/contracts/test/libraries/lib_bytes.ts
# packages/sol-cov/package.json
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