Also fixed special accounts initialization and special_accounts_tests.

Moved special_accounts_tests and wallet_tests into unittests.

multisig_tests fixed, transaction_receipt::scheduled set and used, transaction_metadata::on_result changed to just std::function

delete_auth_test should use eosio.token contract not currency

Remove spurious carriage returns from various log messages.

Move itoh function to utilities/common.hpp

add deleteauth test cases for 2437

add test case for #2438 disallow linkauth for some native actions

Add HTTPS support (in addition to HTTP) for cleos