Merge branch '1930-shader-bug-rel' into 'release-7.0'

CI/contributors_check.sh

Modules/Visualization/Ice/include/otbGlActor.h

Modules/Visualization/Ice/include/otbGlBufferObject.h

Modules/Visualization/Ice/include/otbGlError.h

Modules/Visualization/Ice/include/otbGlHandle.h

Modules/Visualization/Ice/include/otbGlImageActor.h

Modules/Visualization/Ice/include/otbGlMesh.h

Modules/Visualization/Ice/include/otbGlROIActor.h

Modules/Visualization/Ice/include/otbGlTypeTraits.h

Modules/Visualization/Ice/include/otbGlVectorActor.h

Modules/Visualization/Ice/include/otbGlVersionChecker.h

Modules/Visualization/Ice/include/otbGlVertexArrayObject.h

Modules/Visualization/Ice/include/otbGlView.h

Modules/Visualization/Ice/include/otbMinimalShader.h

Modules/Visualization/Ice/include/otbShader.h

Modules/Visualization/Ice/include/otbShaderRegistry.h

Modules/Visualization/Ice/include/otbStandardShader.h

Modules/Visualization/Ice/src/CMakeLists.txt

Modules/Visualization/Ice/src/otbGlActor.cxx

Modules/Visualization/Ice/src/otbGlError.cxx