first cut at lobby tweaks
handle line wrapping in description
make a version of computePick that works off of view frustum even when in HMD mode, updates to lobby
handle no description and blank panels better
fix isFacingAvatar for 3d text overlays
switch to 3d text for description
text sizing tweaks
Merge branch 'master' of https://github.com/highfidelity/hifi into lobbyTweaks
make render entities as scene the default
Merge pull request #3857 from ZappoMan/lobbyTweaks

Added "description" to lobby
Merge pull request #3858 from ZappoMan/modelSceneRendering

make render entities as scene the default