Allow rotating operations in GUI
Description of issue:
It should often be quite much clearer if the operations can be rotated (or at least flipped horizontally). As an additional bonus, moving the port more freely can be good, e.g., for WDF adaptors where a port (one input and one output) commonly are on the same side of the operator.
Potential Issues:It may be needed to somehow indicate the input and output port numering as it will not be as obvious from top to bottom.