build/release: add new release targets
build/release: add new release targets

Notably, solaris/amd64 and illumos/amd64 were added in go1.13. The
others were have been supported previously but were not build targets.

After go1.13, nacl/* will no longer be supported and plan9/* is still
considered experiemental. As a result they are omitted.

LightningNetwork/lnd,aakselrod/lnd,LightningNetwork/lnd,aakselrod/lnd