Build 475 is released. 

1. Adapted MirrorX and MirrorY functions for multi-channel  augmentation.

2. Fixed a substantial defect in VA_IsInSliceProj.  It was causing a crash under certain scroll parameters.

3. Fixed defect in GetResolution function.

4. Breast Unet: implemented Tversky cost.

5. Corrected 3D Separable convolution defect affecting the N3.