show the color index in the color button

separated the color button into a new widget

fixed cylinder rendering

changed rotation matrix to quaternion in GLRenderer

fix compiler warnings

added work done on cylinders

added draw plane feature (doesn't work with circle draw quite right yet)

refactored signal blocking

fixed that scaling factors could be negative

added a doublespinbox variant that uses "." as the decimal point and omits trailing zeros

added scaling vector editing into the subfile editing dialog

added vertex rendering

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mercurial