Merge tag 'v2.16.77' into v2.17.x

diff --cc cscript
Simple merge

diff --cc src/lib/config.cc
Simple merge

diff --cc src/lib/config.h
Simple merge

diff --cc src/lib/wscript
Simple merge

diff --cc src/tools/dcpomatic.cc
Simple merge

diff --cc src/tools/dcpomatic_cli.cc
Simple merge

diff --cc test/wscript
Simple merge