Release notes 0.19.4

Bitcoin ABC version 0.19.4 is now available from:

https://download.bitcoinabc.org/0.19.4/

This release includes the following features and fixes: - Added to getblockchaininfo size_on_disk and, when the prune option is enabled, prune_height, automatic_pruning, and prune_target_size. - The help message also reflects this. - Code standard updated to c++14. - Remove depends from transaction objects provided by getblocktemplate. - The option to reuse exisiting receiving addresses has been removed from the wallet. - Remove safe mode. - Added Schnorr signing to JNI (Java Native Interface) bindings. - Added -getinfo option to bitcoin-cli for batching calls to getnetworkinfo, getblockchaininfo, and getwalletinfo. This option is only available for bitcoin-cli.