add support for unload method
first cut at entity script for sitting
fix stand up icon
fix for scaling of lobby and missing reticle
Merge pull request #3846 from birarda/lobby

fix for scaling of lobby and missing reticle
Merge pull request #3844 from ZappoMan/sitEntityScript

First cut at sit entity script
Removed a debug statemen.
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels