RFR: JDK-8055188: General cleanup of minor issues from source restructure

[Tim Bell]

Hi Erik:

> Please review this little collection of fixes for minor issues left 
> over from the source code restructure push. These are mostly based on 
> the comments provided by Magnus in that review.
>
> Webrevs: http://cr.openjdk.java.net/~erikj/8055188/
> Bug: https://bugs.openjdk.java.net/browse/JDK-8055188
>
> The things fixed in this patch are:
>
> * Moved jdk/make/bundle to jdk/make/data/bundle
>
> * Removed leftover $(if $(SHUFFLED)... in GensrcSwing.gmk
>
> * Removed no longer needed EXTRA_FILE in CreateJars.gmk
>
> * Renamed SetupJava.gmk to SetupJavaCompilers.gmk
>
> * Removed no longer used CopyIntoClasses.gmk
>
> * Added a comment about fdlibm not being a part of the product directly
>
> * Renamed LIBDIR, INCLUDEDIR and OPENJDK_TARGET_OS_INCLUDE to 
> LIB_DST_DIR, INCLUDE_DST_DIR and INCLUDE_DST_OS_DIR in Copy*.gmk.
>
> * Moved closed only native library definitions to closed makefiles.
>
> * Fixed linker warnings on macosx for demos by adding a dependency 
> forcing demos to be built after hotspot and java.base-libs.
>
> * Fixed dependencies for main-jars from JDK-8055497.

webrev does not show the changes (if there are any... 3 lines?) to 
make/gendata/Gendata-java.base.gmk

Otherwise looks good to me.

Tim