Resolve IfcOpenShell#1860. Brickschema is now optional.

Resolve IfcOpenShell#1750. You can now save IFCs under a relative pat…

…h to your Blend file.

Fix interface bug where representations assigned directly to a contex…

…t aren't shown

Minor fix

Implement new Brickschema project browser.

Fix bug where copying an instance did not auto link the meshes.

Added support for Powerproject (IfcOpenShell#1849)

* implemented initial cli and support for resource parsing for ms project

* Added command line interface and resource support for MS Project XML files

* Removed the test code

* Check for output exists before writting the file to avoid failure

* Added support for Asta Powerproject files

New MEP utility to select and print debug information about connected…

… system elements

Optimistically track all object edits whenever you toggle edit mode, …

…not just meshes.

Fix bug where auto geolocation offset didn't occur if placements were…

… relative