verifiable builds: get rid of /etc/apt/trusted.gpg.d/whonix-temporary-local-apt-repository.gpg~
fix help-steps/delete-vbox-vm
whonix_gateway/usr/share/whonix/chroot-scripts-post.d/70_update_tor_and_obfsproxy: add failure when obfsproxy can not be installed, because we want to ensure that obfs3 (obfsproxy 0.2.3) gets installed from torproject's repository
debugging