8141338: Move jdk.internal.dynalink package to jdk.dynalink
Reviewed-by: hannesw, sundar

8044638: Tidy up Nashorn codebase for code standards
Reviewed-by: lagergren, sundar

8026125: Array.prototype.slice.call(Java.type("java.util.HashMap")) throws ClassCastException: jdk.internal.dynalink.beans.StaticClass cannot be cast to jdk.nashorn.internal.runtime.ScriptObject
Reviewed-by: hannesw, jlaskey