SwingOSC full changelog

· new components: JSCWebView, based on JxBrowser; JSCLevelIndicator (still very plain); native JSCKnob
· fixes: JSCButton modifiers; s.meter returns window; JSCWindow full screen and alpha; initial JSCNumberBox space; sub-pixel coordinates in user view, envelope view and multislider view; unicodes in JSCTextField despite sclang's broken Char/String interaction; JSCView bounds argument is copied (fixes mutability)
· updates: speech works with newer freetts, PDF example uses newer iTextPDF
· adds various methods required for smooth operation with SC 3.5: JSCFont; shutdown hooks (thanks to james harkins); SwingDialog.openPanel; JSCWindow.drawHook deprecated; JPen.lineDash accepts empty array; JSCView has mouseWheel, mouseEnter, mouseLeave, onMove and onResize methods
· uses Nimbus look-and-feel for default components, and Nimbus resembling style for custom components. Add --nimbus switch to command line.