v1.1.0

This release gives some much needed love to /rack-mount:

• Formerly, all rack-mount files were haphazardly placed within the same directory. Different mounting systems have now been moved into their own directories, with a standard config/build file defined: rack-mount/{system}/entry.scad.
• Remove rbuild.py (cli tool) support for rack-mount items. It almost never makes sense to build rack mount STLs at the same time as the actual rack STLs. We recommend just configuring rack-mount systems using their respective entry.scad files, and building it with the OpenSCAD UI.
• General tidy up and fixes for everything under /rack-mount

Fun animations showing the parametricity of the new rack-mount system: enclosed-box, patch-panel, trays.