disabling fastdebug

[Henri Gomez]

> I updated my build scripts so a regular production build is created:
>
>  https://gist.github.com/gists/243072
>
> I put the following in as comments around line 200:
>
>  # include the following to enable a FASTDEBUG build:
>  #    DEBUG_NAME=fastdebug
>  # and remove the following:
>  #   SKIP_FASTDEBUG_BUILD=true
>  #   SKIP_DEBUG_BUILD=true
>
> On my Mac OS X 10.6.8 system with a 2.66 GHz Intel Core i7, 8GM 1067 MHz DDR3 I get the following times for building mlvm and running the java/lang/invoke tests and the java/dyn/CoroutineTest test:
>
>  HOTSPOT_BUILD_JOBS=2   22m
>  HOTSPOT_BUILD_JOBS=4   19m
>  HOTSPOT_BUILD_JOBS=8   20m

Nice.

I updated my Jenkins build job and a simple check box make me produce
fastdebug or release package, so we could get both available at
http://code.google.com/p/openjdk-osx-build/