Added TGA grayscale terrain mapping to Simian (currently uses green channel and is limited to 255m)
Added TGA grayscale terrain mapping to Simian (currently uses green channel and is limited to 255m)

git-svn-id: c32cf1ecefca26b8770d7b0740bc0c5c174087e4@2113 c754d5e9-d413-0410-bcdf-9574c9dba6b7

jhs/libopenmetaverse,jhs/libopenmetaverse,jhs/libopenmetaverse,jhs/libopenmetaverse