This patch adds a radial offset option to the array modifier.

• Adds an initial local offset value that applys to all duplicates and the original mesh of the array one time only. This allows a model that is in the center to be offset and control the radius of the radial array.

• Radial angle is the total amount of rotation and the rotation step is based the array count. It calculates the step with the count + 1 to avoid adding a duplicate mesh when doing a full 360 angle.

• The radial axis can be set to Local or Global space.