0.5.2 changelog:

Update boost
Update libcurl
Update ccache
Update proton
Update seeds
Bump min protocol version
Bump protocol version
Remove old seeds
Add tests and CI
Update univalue
Bump KMD version
Remove CEAL, CHAIN, COMMOD, DSEC, KMDICE, BNTN, EQL, DION, PRLPY
Add opretmintxfee parameter

Pools and miners please note:

we recommend restarting your KMD mining node with -minrelaytxfee=0.000035 -opretmintxfee=0.004

contributors:
@jl777
@DeckerSU
@tonymorony
@SirSevenG
@himu007
@kolobus
@Alrighttt
@ca333

Virustotal checks:

windows: https://www.virustotal.com/gui/file/156b3ecb9020ecc261c381500b450b80a12d5beda94123b565acbf72d383298a/detection

linux: https://www.virustotal.com/gui/file/857a63fa2290e2b447e94e47734c45f60a17b8c0092aa2a126a6e66745294e86/detection

macOS: https://www.virustotal.com/gui/file/5f77c7816c58555f97b68b5ffdd6b1745a9b686ddbd000af755ce30948a6615d/detection