public final class OsxMainThreadExecutor
A workaround to deal with the problem that swt applications started with webstart
won't work on mac os x under some circumstances even if -XstartOnFirstThread was set
in the jnlp (for me java 7_51, swt-mac-osx-64-4.3).
Remark: This workaround only works for os x on a mac and it depends on
non public api that may be changed. But for now it works and may be the
problem described may be fixed in future releases :-)