added support ledger
update modules

[+] New gdb init func calls

[*] New configs
[*] Postinst update
[*] Submodules update

[*] Submodules updates

[*] Lot of changes in submodules init

[+] Testnet pkeys
[*] Configs update
[*] Submodules updates

over unix-socket (client side) by 70%

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

[-] Default mining process

[+] Some more submodules

[*] some changes in default configs
[+] sig handler
[+] Some submodules

[+] Default configs
[*] New main.c

[*] Build error fixes, some renames