Add warning about nightly states of git branches
Add warning about nightly states of git branches

Raynes/cryptocat,arno01/cryptocat,DoNotUseThisCodeJUSTFORKS/cryptocat,wakermahmud/cryptocat,DGO143/cryptocat,DGO143/cryptocat,PeterDaveHello/cryptocat,Raynes/cryptocat,Cryptodog/cryptocat,PeterDaveHello/cryptocat,DoNotUseThisCodeJUSTFORKS/cryptocat,DoNotUseThisCodeJUSTFORKS/cryptocat,Cryptodog/cryptocat,arno01/cryptocat,wakermahmud/cryptocat,Raynes/cryptocat,DGO143/cryptocat