This is basically the changes in viewer 3 to this file,
except that I left alone:
1) We still have a cloud layer (mCloudLayer)
2) LLViewerRegion::regionFlagsToString still adds comma's
and a lot more flags.
3) We still have the extra accessor LLViewerRegion::getNetDetailsForLCD()
4) The actual capabilities requested in LLViewerRegionImpl::buildCapabilityNames
have been left alone and still request the same caps as before.
5) LLViewerRegion::meshUploadEnabled and LLViewerRegion::meshRezEnabled
have been left alone. They seems to do more work in our case,
checking if we have the capability SimulatorFeatures, and doing
something smart when that is not the case.
59ee1a1041