[FIX] update missed tes regex to check for tesSuccess
[TASK] update transaction submit structure and comments
Merge pull request #232 from boxbag/cleanup-transaction-submit

[TASK] update transaction submit structure and documentation
[TASK] refactor converters

- move converting logic to appropriate classes
- rename rest_to_lib_transaction_converter to rest-to-tx-converter
- refactor method signatures and working to be consistent
- add unit tests for converters
[TEST] finish tx converter tests