Merged new part and LDraw path dialogs into dialogs.cpp

Made Qt file includes more proper (<QLineEdit> instead of <qlineedit.h>), merged setContentsDialog.cpp into dialogs.cpp

Split some stuff into separate files

Allow changing of existing overlay values

Allow one of the dimensions be filled via aspect ratio

Added image overlays, these are offset and scaled photos drawn on top of the part model to help getting part data from pictures.

Fixed coordconv3_2 algorithm, plane drawing works on any of the fixed cameras now.

Added wireframe mode

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mercurial