Fixed circle mode not building the circle anymore

Removed unneeded includes from main.cpp

Moved PreferredLicenseText into HierarchyElement and made the config pointer be passed to LDPaths. Now I can finally remove the Config global pointer.

Moved LDObject::moveObjects into MoveToolset

Rename Pi to lowercase pi

Renamed ldObjectMath.cpp/.h to mathfunctions.cpp/.h

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mercurial