[platform-core-dev] tagged core.* for Helios stream integration build

[John Arthorne <John_Arthorne@xxxxxxxxxx>]

The map file has been updated for the
following Bug changes:
+ Bug 296691. Change new Groups API
to Virtual Resource API (FIXED)
+ Bug 297228. Provide finer grained
file permissions access (FIXED)
+ Bug 300365. Restore method Convert.fromPlatformBytes(byte[]
source) (FIXED)
+ Bug 300385. Base64 bug in PreferenceService#getByteArray
(FIXED)

The following projects have changed:
org.eclipse.core.resources
org.eclipse.core.tests.runtime
org.eclipse.core.filesystem
org.eclipse.core.filesystem.macosx
org.eclipse.core.filesystem.linux.x86
org.eclipse.core.filesystem.linux.x86_64
org.eclipse.core.filesystem.solaris.sparc
org.eclipse.core.tests.resources