gitian: added instructions for non-interactive installation of the bitcoinxt debian package
gitian: added instructions for non-interactive installation of the bitcoinxt debian package

jonghyeopkim/bitcoinxt,rromanchuk/bitcoinxt,prark/bitcoinxt,prark/bitcoinxt,dagurval/bitcoinxt,czr5014iph/bitcoin4e,bitcoinxt/bitcoinxt,prark/bitcoinxt,prark/bitcoinxt,czr5014iph/bitcoin4e,stevemyers/bitcoinxt,rromanchuk/bitcoinxt,jonghyeopkim/bitcoinxt,bitcoinxt/bitcoinxt,rromanchuk/bitcoinxt,dagurval/bitcoinxt,ekankyesme/bitcoinxt,ekankyesme/bitcoinxt,dagurval/bitcoinxt,prark/bitcoinxt,bitcoinxt/bitcoinxt,prark/bitcoinxt,dagurval/bitcoinxt,dagurval/bitcoinxt,jonghyeopkim/bitcoinxt,stevemyers/bitcoinxt,rromanchuk/bitcoinxt,bitcoinxt/bitcoinxt,czr5014iph/bitcoin4e,ekankyesme/bitcoinxt,jonghyeopkim/bitcoinxt,stevemyers/bitcoinxt,ekankyesme/bitcoinxt,czr5014iph/bitcoin4e,czr5014iph/bitcoin4e,bitcoinxt/bitcoinxt,stevemyers/bitcoinxt,ekankyesme/bitcoinxt,jonghyeopkim/bitcoinxt,stevemyers/bitcoinxt,rromanchuk/bitcoinxt,ekankyesme/bitcoinxt,dagurval/bitcoinxt,stevemyers/bitcoinxt,rromanchuk/bitcoinxt,jonghyeopkim/bitcoinxt,bitcoinxt/bitcoinxt,czr5014iph/bitcoin4e