doc: Release notes update for rc2
doc: Release notes update for rc2

bdelzell/creditcoin-org-creditcoin,bitcoinplusorg/xbcwalletsource,OmniLayer/omnicore,zcoinofficial/zcoin,zcoinofficial/zcoin,lbrtcoin/albertcoin,gjhiggins/vcoincore,itmanagerro/tresting,funkshelper/woodcore,reorder/viacoin,metacoin/florincoin,okinc/bitcoin,OmniLayer/omnicore,oklink-dev/bitcoin,oklink-dev/bitcoin,emc2foundation/einsteinium,HashUnlimited/Einsteinium-Unlimited,HashUnlimited/Einsteinium-Unlimited,ShadowMyst/creativechain-core,shaolinfry/litecoin,martindale/elements,litecoin-project/litecore-litecoin,okinc/bitcoin,magacoin/magacoin,Electronic-Gulden-Foundation/egulden,okinc/bitcoin,nlgcoin/guldencoin-official,experiencecoin/experiencecoin,ShadowMyst/creativechain-core,metacoin/florincoin,magacoin/magacoin,experiencecoin/experiencecoin,segwit/atbcoin-insight,funkshelper/woodcore,magacoin/magacoin,gravio-net/graviocoin,bitcoinplusorg/xbcwalletsource,cannabiscoindev/cannabiscoin420,gjhiggins/vcoincore,lbrtcoin/albertcoin,zcoinofficial/zcoin,reorder/viacoin,martindale/elements,reorder/viacoin,Electronic-Gulden-Foundation/egulden,lbrtcoin/albertcoin,oklink-dev/bitcoin,HashUnlimited/Einsteinium-Unlimited,HashUnlimited/Einsteinium-Unlimited,cannabiscoindev/cannabiscoin420,gravio-net/graviocoin,oklink-dev/bitcoin,Electronic-Gulden-Foundation/egulden,EntropyFactory/creativechain-core,itmanagerro/tresting,bitcoinplusorg/xbcwalletsource,lbrtcoin/albertcoin,emc2foundation/einsteinium,gjhiggins/vcoincore,lbrtcoin/albertcoin,EntropyFactory/creativechain-core,itmanagerro/tresting,zetacoin/zetacoin,lbrtcoin/albertcoin,okinc/bitcoin,segwit/atbcoin-insight,bdelzell/creditcoin-org-creditcoin,shaolinfry/litecoin,EntropyFactory/creativechain-core,gjhiggins/vcoincore,EntropyFactory/creativechain-core,Electronic-Gulden-Foundation/egulden,emc2foundation/einsteinium,lbrtcoin/albertcoin,metacoin/florincoin,martindale/elements,emc2foundation/einsteinium,experiencecoin/experiencecoin,itmanagerro/tresting,jl2012/litecoin,metacoin/florincoin,martindale/elements,reorder/viacoin,gravio-net/graviocoin,experiencecoin/experiencecoin,shaolinfry/litecoin,experiencecoin/experiencecoin,ShadowMyst/creativechain-core,bitcoinplusorg/xbcwalletsource,gjhiggins/vcoincore,zcoinofficial/zcoin,jl2012/litecoin,zcoinofficial/zcoin,bdelzell/creditcoin-org-creditcoin,shaolinfry/litecoin,OmniLayer/omnicore,martindale/elements,nlgcoin/guldencoin-official,cannabiscoindev/cannabiscoin420,jl2012/litecoin,metacoin/florincoin,HashUnlimited/Einsteinium-Unlimited,bdelzell/creditcoin-org-creditcoin,ShadowMyst/creativechain-core,lbrtcoin/albertcoin,jl2012/litecoin,zcoinofficial/zcoin,funkshelper/woodcore,cannabiscoindev/cannabiscoin420,Electronic-Gulden-Foundation/egulden,gravio-net/graviocoin,segwit/atbcoin-insight,OmniLayer/omnicore,reorder/viacoin,litecoin-project/litecore-litecoin,metacoin/florincoin,gjhiggins/vcoincore,nlgcoin/guldencoin-official,jl2012/litecoin,segwit/atbcoin-insight,jl2012/litecoin,zetacoin/zetacoin,litecoin-project/litecore-litecoin,zetacoin/zetacoin,EntropyFactory/creativechain-core,shaolinfry/litecoin,litecoin-project/litecore-litecoin,segwit/atbcoin-insight,ShadowMyst/creativechain-core,OmniLayer/omnicore,magacoin/magacoin,zetacoin/zetacoin,bdelzell/creditcoin-org-creditcoin,EntropyFactory/creativechain-core,ShadowMyst/creativechain-core,funkshelper/woodcore,Electronic-Gulden-Foundation/egulden,segwit/atbcoin-insight,HashUnlimited/Einsteinium-Unlimited,lbrtcoin/albertcoin,magacoin/magacoin,lbrtcoin/albertcoin,emc2foundation/einsteinium,reorder/viacoin,okinc/bitcoin,bitcoinplusorg/xbcwalletsource,bdelzell/creditcoin-org-creditcoin,zetacoin/zetacoin,martindale/elements,zcoinofficial/zcoin,gravio-net/graviocoin,gravio-net/graviocoin,zetacoin/zetacoin,experiencecoin/experiencecoin,zcoinofficial/zcoin,zcoinofficial/zcoin,lbrtcoin/albertcoin,magacoin/magacoin,itmanagerro/tresting,zcoinofficial/zcoin,litecoin-project/litecore-litecoin,cannabiscoindev/cannabiscoin420,shaolinfry/litecoin,nlgcoin/guldencoin-official,oklink-dev/bitcoin,okinc/bitcoin,nlgcoin/guldencoin-official,emc2foundation/einsteinium,nlgcoin/guldencoin-official,litecoin-project/litecore-litecoin,bitcoinplusorg/xbcwalletsource,lbrtcoin/albertcoin,cannabiscoindev/cannabiscoin420,itmanagerro/tresting,funkshelper/woodcore,OmniLayer/omnicore,oklink-dev/bitcoin