282012: Enable 64-bit JVM support for [Build] Core LRG http://wiki.eclipse.org/EclipseLink/Building/64bit  - reduce max heap ram from 2048 to 1536 to be compatible with some other legacy XP OS machines running 2GB ram   We avoid the following message on these slower machines during a trunk>ant test-core     [junit] [WARN ] Unable to acquire some virtual address space - reduced from 2048 to 1908 MB. Tested on Vista 64 i7 with 12GB and an XP p630 with 2GB
282012: Enable 64-bit JVM support for [Build] Core LRG
http://wiki.eclipse.org/EclipseLink/Building/64bit 
- reduce max heap ram from 2048 to 1536 to be compatible with some other legacy XP OS machines running 2GB ram
  We avoid the following message on these slower machines during a trunk>ant test-core
    [junit] [WARN ] Unable to acquire some virtual address space - reduced from 2048 to 1908 MB.
Tested on Vista 64 i7 with 12GB and an XP p630 with 2GB



Former-commit-id: 4fd85d9375d8284f6c5859217f8cc6cb474f8775
bfg-repo-cleaner-demos/eclipselink.runtime-bfg-strip-big-blobs,bfg-repo-cleaner-demos/eclipselink.runtime-bfg-strip-big-blobs,bfg-repo-cleaner-demos/eclipselink.runtime-bfg-strip-big-blobs