support for a splash file
support for a splash file

uses the Java parameter -splash:<file>

Info.plist entry in Apple style:
  <key>Java</key>
  <dict>
    <key>SplashFile</key>
    <string>splash.png</string>
  </dict>

Info.plist entry in Oracle style:
  <key>JVMSplashFile</key>
  <string>splash.png</string>

Splash files need to be placed in "Resources/" folder in the package

tofi86/universalJavaApplicationStub