[*] Fixed some issues

[-] srv files moved to lib-dap-chain-srv*
[*] Other moves and renames, sections->datums

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

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

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