Updated relnotes for r8.
Updated relnotes for r8.

git-svn-id: 667054730328db7126cca9a978d7615fe028c708@6270 32909982-3df7-0310-a142-94324ff2e7a9

lat-lon/ets-wms13,opengeospatial/ets-wms13,opengeospatial/ets-wms13