FileZilla 3.17.0 RC1

# New features:
* Recursivly queing local files for upload now displays the progress below the local file list.
* MSW: Use dynamic TCP send buffer sizes to improve upload speeds on high-latency connections.
* SFTP: Use hardware-accelerated AES on x86_64 CPUs if available by using the AES implementation from Nettle instead of PuTTY.
* Building FileZilla now depends on the Nettle library, version 3.1 or later.
* Building FileZilla now depends on libfilezilla >= 0.5.0 (https://lib.filezilla-project.org/).
# Bugfixes and minor changes:
* MSW: The installer now warns if it detects old versions of FileZilla outside of the installation directory.
* Improve compatibility with directory listings where midnight is represented as 24:00:00 of the prior day.
* SFTP: Failed downloads due to write failures, e.g. due to a full disk, no longer show up as successful.
* SFTP: Fix transfer failures if multiple transfers try to list the same directory.
* SFTP: Updated PuTTY components.
* FTP over TLS: Debug logs now contain additional information about the TLS handshake.