AWTGraphicsConfiguration: Allow null capsRequested; NewtCanvasAWT: Avoid NPE @ addNotify() w/o newtChild
GLDrawableHelper Perf.: Branch into execGLRunnables(..) only if glRunnables.size()>0
MacOSXCGLContext: Use final qualifier for CGL.CGLLockContext(cglCtx) result.
Bug 735: Adding Andres test cases for analysis. OSX exposes diff. odd behaviors - See BugXYZ test cases.