Edited OS_IMAGES.md to reflect the fuller feature set of the new osimage
Edited OS_IMAGES.md to reflect the fuller feature set of the new osimage

Signed-off-by: Xuebin He <a24423da5583aa8407f2dcc30b6a21a9dc802b67@emc.com>

barthy1/bosh,barthy1/bosh,barthy1/bosh,barthy1/bosh