macos-x86_64 # Changes

Originally from build #991

1. Fix Unit Tests Exclusion " if( !GLProfile.isAvailable(GLProfile.GL*) ) { .. } ": Add missing return statement to abort test. (details / cgit)
2. Unit Test: Remove unused import
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Originally from build #990

1. Fix Bug 723: Remove VK_KP_<Cursor> numpad key-codes, use general VK_<Cursor> key-codes; Respect numpad printable keys; Use keySym for numpad if possible. (details / cgit)
2. NEWT: MouseEvent Ctor: Use proper float[] rotationXYZ and float rotationScale arguments. (details / cgit)
3. Fix Bug 737: Add shader default precision for GLSL [1.30 .. 1.50[ - See GLSL Spec [1.30 - 1.40]. (details / cgit)
4. Fix Bug 711: Align Graphs's Curve Shader programmatically to used GL/GLSL version, following all other internal GLSL usage utilizing ShaderCode. (details / cgit)
5. GLSL version determination: Use static GLSL version mapping in case of GLES - Mesa 9.1* fails otherwise since it supports ES3/300 which is returned. (details / cgit)
6. JOGL GLSL ShaderProgram/State: Release of an unlinked ShaderProgram shall not throw an exception -> avoid calling useProgram(.., false). (details / cgit)
7. GLPixelBuffer.dispose(): Set diposed:=true to allow isValid() to work properly; GLJPanel: Rely on GLPixelBuffer.requiresNewBuffer(..) for each frame, don't use local pixelBufferCheckSize (buggy w/ singleton) (details / cgit)
8. Fix Bug 736: Add GL.GL_UNSIGNED_INT and GL2ES2.GL_INT case in GLArrayDataWrapper.getBufferClass()
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