Changes

Update version to 7.8.2 dev

0032750: Visualization, AIS_Manipulator - selection of moved object is broken

Completed the stop transform action when dragging manipulator with mouse.
Added context redisplay for update of interactive object sensitive areas.
Added test.

0033430: IFC Import - Adding basic support of materials

Updated XStat to show VisMaterials info

0033371: USD - Implementation of import and export USD files using the USD SDK. 1 Stage

Do auxiliary improvement in OCCT.

0033699: Data Exchange, DE Wrapper - Integration activation plug-in mechanism plug-in

New virtual function is implemented

0033514: Visualization - Scaled view twists zoom persistence objects

Added flag to transform persistence to handle axial scaling.
Modified manipulator's zoom transform persistence to fit in axial scaling events.
Added tests for cases 27832 and 33514.
Logic change on Graphic3d_TransformPers::Apply for Graphic3d_TMF_AxialScalePers.
Logic fixes in AIS_Manipulator to integrate axial scale in both zoomable and unzoomable states.

0033533: Visualization - possibility to redefine Graphic3d_TransformPers

Split template method apply and moved calculations to virtual method.

0030484: Visualization, SelectMgr_ViewerSelector - Graphic3d_TMF_2d persistence sorting issues

Added property to SelectableObject for selection focused on display priority.
Modified SelectMgr_ViewerSelector CompareResults based on the focus priority property.
Added display priority to the sorting criterion
Added tests for multiple types of sensitive entities.
Modified vpriority command to change an object's selection priority.

0033146: Modeling Algorithms - 2D Offset with arc-lin approximation fails on open B-spline edge

Added additional conditions to avoid crash.
Added a test case.

0033156: Modeling Algorithms - Planar face creation problem

Implemented suggested patch to avoid unnecessary replacement of a wire.
Added the second test case.

0032964: Modeling Algorithms - 2d Offset sometimes 'split' straight edges

Implemented avoiding force cut of an edge in case of simple edge (that contains just 1 curve).

0032752: Visualization, TKOpenGl - extend V3d_View::ToPixMap() options with Z-layer

Added option to dump only a selection of zlayer's content.
Changed zlayers redraw and render method for selection of layers to render.
Added filters for layer parsing.
Modified vdump command.
Added test with multiple dumps for comparison.
Added option to dump shadow maps.