V1.27.5.2 release

Closes: %Third release

FYI: @agrabowska @kmochocki @bwrona @jziebinski @msobczyk

Changeolog:

1. New features/functions:
   • Add loading transaction from file (currently only json format is supported, binary will be available soon - ft. wax#5 (closed) and wax#6 (closed)) - !207 (merged)
   • Add new CLI commands so profile, working account and keys could be set up via CLI - structure diagram - !208 (merged)
2. Functional improvements:
   • Make it possible to save a transaction optionally signed - !207 (merged)
   • Show transaction metadata on transaction summary screen - !207 (merged)
   • Make TransactionCouldNotBeSignedError more human readable - #50 (closed)
   • Improve cli error (no more printing out stacktrace) - !208 (merged)
3. Bugfixes:
   • Fix crash which might occur while being on Savings screen (when there is a communication failure between clive and node) - !206 (merged)
   • Fix broken CSS on the Cart screen when F10 Finalize was used - !214 (merged)

• (internal) Raise NothingToSendError with empty batch request
• (internal) Implement delay_error_on_data_access to batch request
• (internal) Make SuppressNotExistingApis accept multiple api names
• (internal) more in: !206 (merged), !207 (merged), !208 (merged)