[+] Add direct load kelvin-testnet

[*] Now if debug_mode=false it set up log level to NOTICE

added support ledger
update modules

[+] New gdb init func calls

update modules

[+] debug_dump_stream_headers config option

[*] Submodules update

[*] Moved default network loading from net_init() to main.c with target net_load() function call

Update modules

[-] Temprorary switched off chain-net init

[*] Lot of changes in submodules init

update modules

[*] New root nodes for testnet

over unix-socket (client side) by 70%

update modules

[+] Testnet root public keys
[+] New kelvin-node-tool and kelvin-node-cli for kelvin node operations

[-] Default mining process

[+] Node declaration and publications operations

[+] Some more submodules