recv.fund installer 0.1.6

Installs the newest recv.fund release at the time it runs (0.1.16 when this installer was published). Pass --image-tag X.Y.Z to choose a version.

curl -fsSL https://github.com/recv-fund/recvfund-scripts/releases/latest/download/install.sh | sudo bash -s -- --testnet

Verify downloaded files with sha256sum -c SHA256SUMS.