Implemented verifiable credentials specs

[pelle]

See spec

• Parse request
• Return requested attestations per spec
• Separate "Profile Claims" from "Verifiable Credentials" in request card
• Tap Verifiable Credentials to view Credential in detail
• Fix display of issuer on Request Card
• Show missing Verifiable Credentials with instructions on how to receive them
• Disallow submitting disclosure response if missing essential verifiable claims are present
• Improve handling of attestations incorrectly issued with milliseconds (Sobol bug)

All required credentials:

Missing Essential Verifiable Credentials:

Missing Non-Essential Verifiable Credentials:

[codecov]

Codecov Report

Merging #116 into develop will increase coverage by 0.1%.
The diff coverage is 81.05%.

@@            Coverage Diff             @@
##           develop     #116     +/-   ##
==========================================
+ Coverage    54.26%   54.36%   +0.1%     
==========================================
  Files          274      274             
  Lines         9189     9190      +1     
  Branches      1873     1882      +9     
==========================================
+ Hits          4986     4996     +10     
+ Misses        3734     3730      -4     
+ Partials       469      464      -5

Impacted Files	Coverage Δ
lib/sagas/requests/addAttestations.js	91.3% <ø> (-0.37%)	⬇️
lib/components/Request/types/Eip712SignCard.js	11.11% <ø> (+0.24%)	⬆️
lib/reducers/uportReducer.js	98.05% <ø> (-0.14%)	⬇️
lib/constants/UportActionTypes.js	100% <ø> (ø)	⬆️
...b/components/Verifications/VerificationListItem.js	0% <ø> (ø)	⬆️
lib/components/Request/types/PersonalSignCard.js	11.36% <ø> (+0.25%)	⬆️
...b/components/Request/types/VerificationSignCard.js	11.11% <ø> (+0.24%)	⬆️
lib/sagas/startupSaga.js	0% <ø> (ø)	⬆️
lib/actions/uportActions.js	100% <ø> (ø)	⬆️
lib/screens/Credentials.js	0% <0%> (ø)	⬆️
... and 11 more

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[simonas-notcat]

I'm getting duplicate entries in Profile and Verifiable claims: