made final
annotated by SafeVarargs.
The stub of SaveVarargs is put into util module for those old stumps clutching to their precious JDK1.6
cleanup
isChromeRunning — detect Yandex and Opera (mac&win only!)
BrowserLauncher — hide internal openOrBrowse
browser configuration — respect FileUtilRt.toSystemDependentName/FileUtilRt.toSystemIndependentName policy

FileUtilRt.toSystemDependentName/FileUtilRt.toSystemIndependentName accept nullable string