Summary: Changes to both ant and findbugs version checking.
Reviewed-by: tbell

Summary: OPENJDK should be empty (undefined) or "true".
Reviewed-by: tbell

Summary: Tell Mercurial this file has execute permission.
Reviewed-by: tbell

Summary: Just corrected some C code to remove warning errors from gcc.
Reviewed-by: tbell

Summary: OUTPUTDIR changes to make sure absolute path is correct.
Reviewed-by: xdono

Summary: deploy workspace does not set BUILDDIR, uses it, assumes it is jdk/make.
Reviewed-by: xdono

Summary: Just add to list of SCM files.
Reviewed-by: xdono

Summary: Use of GNU make vpath breaks on windows with C:/ style fullpaths
Reviewed-by: xdono

Summary: Changes to the way GNU make 3.81 deals with the env variable SHELL
Reviewed-by: xdono

Summary: Missing -xarch options to build for 64bit
Reviewed-by: xdono

Summary: The include of sys/resource.h must be explicit
Reviewed-by: xdono

Summary: ifdef test on OPENJDK before it gets set based on source tree contents
Reviewed-by: xdono

Reviewed-by: ohair, xdono