[*] Some fixes in ledger

[+] added dap_chain_node_addr_t in common

[*] Renames datum macros and node roles

[*] hash->hash_slow renames

[*] dap_chain_atom_t -> dap_chain_atom_ptr_t

[*] Complete UTXO API with tokens, tokens emissions and tx token.
[*] Fixed calc ballance
[*] dap_chain_addr changed is internal structure a little, same with related macro defines
[*] Others renames and refactors

[+] Datum operations functions
[*] Consensus and class are splitted. Class is for feature usage.
[*] Added const* everywhere (almost)

[-] Removed cache init calls
[*] Splitted token byt tx_item_token, token itself and token_emission

added creation of transfer transaction by addr and sum in cache
fixed errors in the  transaction cache
modify create items functions

and sign items.
Added auxiliary functions for working with transaction items

[+] Added some headers

[*] Fixed some issues

[+] Datum now inherits from dap_chain_t
[*] Lot of small changes

[+] Hashlist of chains

[*] License information changed

[+] signature TX item type , "Tx suffix" in CryptoNote transaction

[+] Declarations for chain operations
[+] Block cache
[+] Block dump
[*] Some internal fixes

[+] Wallet delcarations

[+] Transactions and transaction items
[*] Some renames mostly related to section

[+] HashFusion from brian.monahan@hpe.com (c) Copyright 2017 Hewlett Packard Enterprise Development LP
[+] wrapper for hash functions moved also from libdap/crypto

[+] Block's section format
[+] Block's section roots header