Originally from build #988

Changes

1. Minor: Typo/Syntax in GLRendererQuirks (details / cgit)
2. GLX: Put native ByteBuffer to native-order in 'glXGetVisualFromFBConfig' and minor edits (final, same 'nativeOrder()' call style) (details / cgit)
3. GLJPanel: Use PixelBufferProvider AWTPixelBufferProviderInt; PixelBufferProvider: Add 'dispose()' to interface. (details / cgit)
4. Add TestGearsGLJPanelAWT, i.e. multiple JPanels w/ GLJPanel running GearsES2 in their own color. (details / cgit)
5. GLBuffers: Extract common methods: bytesPerPixel(..) and componentCount(.). Better namings for vars, i.e. compCount, .. etc (details / cgit)
6. Refactor: TextureData's PixelAttributes/PixelBufferProvider -> GLPixelBuffer/.. and enhance usage; GLJPanel: Use GLPixelBuffer* API and SingleAWTGLPixelBufferProvider if possible. (details / cgit)
7. Fix regression of commit 0a7bf77b8c0765f8a53dc72a8edab8e0496938ff - GLReadBufferUtil's GLPixelBuffer* usage. Ref GLJPanel SingleAWTGLPixelBufferProvider's screenshots. (details / cgit)
8. Fix NEWT MultiMonitor Regression: Use case w/o attached monitor, and NPE (Cache) in ScreenImpl.getVirtualMonitorDevice(..). (details / cgit)
9. Fix Bug 731: GLJPanel: Access global GLPixelBuffer via SingletonGLPixelBufferProvider, if provided - releasing prev. smaller GLPixelBuffer after resize. (details / cgit)