Added three configurable grid layouts, coarse, medium and fine grids, like those of MLCad. The grids are considerably finer by default simply because part editing works at a lower scale than model editing.

Added the about dialog.

Rotate subfiles and radials by their origin and not by their contents' bboxes.

Rotation improvements; allow radials be inlined

Rotation and rounding. Rotation needs work to get proper origin stuff

some GUI tweaks

Added winding reversal, though undoing it isn't quite ready yet.

Generalized SetContentsHistory to an EditHistory

Some renaming

Redrew selection icons to be clearer

Added functionality for getting a primitive name from a radial.

Radial saving and reading from files

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mercurial