Added comment regarding unsafe Docker security settings.

Re-enabeling all builds.

Experimenting with docker settings - build broken on debian testing.

Added info message.

Added qtmultimedia5-dev to bionic's Dockerfile.

Added build for Ubuntu Bionic

Adding QT multimedia package to build containers.

Fixed crash in invalid input.

Fixed locatime/utc glitch in selections for weekly overview.

A few nits.

Fixed regression where work-items context menu was all grayed out

Fixed corner-case on macos where no nodes could be created.

Trying to set windows file version

Fixed rm/del

Windows build.