Visualization, Graphic3d_ClipPlane - add support of clipping plane chains

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Author: Author
Date: Fri Apr 27 20:53:50 2018 +0300

    0029729: Visualization, Graphic3d_ClipPlane - add support of clipping plane chains
    
    Graphic3d_ClipPlane now can define a Chain of Planes (union operation).
    OpenGl_ShaderManager - added new GLSL sub-programs for clipping plane chains.

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Author: Author
Date: Sat Apr 28 17:04:05 2018 +0300

    OpenGl_Clipping::SetEnabled() - handle sub-planes separately

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Author: Author
Date: Sat Apr 28 17:59:56 2018 +0300

    OpenGl_CappingAlgo - draw sub-planes

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Author: Author
Date: Thu May 3 18:22:34 2018 +0300

    Graphic3d_SequenceOfHClipPlane now aggregates NCollection_Sequence instead of inheritance.
    
    # fix capping

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Author: Author
Date: Thu May 3 20:18:32 2018 +0300

    # code clean up

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Author: Author
Date: Thu May 3 20:36:28 2018 +0300

    # add test case

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Author: Author
Date: Thu May 3 20:43:55 2018 +0300

    # fix passing undefined values on out limits

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Detailed log of new commits:

Author: Author
Date: Fri Apr 27 20:53:50 2018 +0300

    0029729: Visualization, Graphic3d_ClipPlane - add support of clipping plane chains
    
    Graphic3d_ClipPlane now can define a Chain of Planes (logical AND).
    OpenGl_ShaderManager - added new GLSL sub-programs for clipping plane chains.
    Bnd_Range::TrimFrom(), ::TrimTo() - added auxiliary methods for trimming the range.
    SelectMgr_ViewClipRange now handles non-continuous clipping range.
    Graphic3d_SequenceOfHClipPlane now aggregates NCollection_Sequence instead of inheritance.

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Patch is ready for review.

http://jenkins-test-11.nnov.opencascade.com/view/CR29729_2-CR29729_2-KGV/

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[revision removed]

Branch CR29729_2 in OCCT and OCC Products repositories reviewed without remarks.

Combination -
OCCT branch : [archived branch] SHA - [revision removed]
Products branch : [archived branch] SHA - [revision removed]
was compiled on Linux, MacOS and Windows platforms and tested in optimize mode.

Number of compiler warnings:
No new/fixed warnings

Regressions/Differences/Improvements:
No regressions/differences

CPU differences:
Debian70-64:
OCCT
Total CPU difference: 18252.960000000003 / 18243.73999999987 [+0.05%]
Products
Total CPU difference: 7525.340000000048 / 7505.500000000054 [+0.26%]
Windows-64-VC10:
OCCT
Total CPU difference: 18062.513384598577 / 18049.78370299853 [+0.07%]
Products
Total CPU difference: 7696.465335999918 / 7697.713343999945 [-0.02%]


Image differences :
No differences that require special attention

Memory differences :
No differences that require special attention

Branch [archived branch] has been created by Author.

[revision removed]


Detailed log of new commits:

Author: Author
Date: Fri May 25 10:13:38 2018 +0300

    0029729: Visualization, Graphic3d_ClipPlane - add support of clipping plane chains
    
    Graphic3d_ClipPlane now can define a Chain of Planes (logical AND).
    OpenGl_ShaderManager - added new GLSL sub-programs for clipping plane chains.
    Bnd_Range::TrimFrom(), ::TrimTo() - added auxiliary methods for trimming the range.
    SelectMgr_ViewClipRange now handles non-continuous clipping range.
    Graphic3d_SequenceOfHClipPlane now aggregates NCollection_Sequence instead of inheritance.
    OpenGl_CappingPlaneResource - triangulation has been adjusted to make front face following CCW order.

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