* [NOD-280] Create database for API server
* [NOD-280] Rename public_key_script to pk_script
* [NOD-280] Change indexes names
* [NOD-280] Add accepting block to blocks and transactions table and remove accepting_blocks table
* [NOD-280] Add readme
* [NOD-280] Change VARCHAR(32) to CHAR(64)
* [NOD-280] Rename location_in_block to index
