delete moving entities that travel outside of domain
prevent editing of entities out of doamin
updated TO DO
updated TODO
Merge branch 'master' of https://github.com/highfidelity/hifi into 19964

Conflicts:
	interface/ui/preferencesDialog.ui
Fix preferences dialog layout
fixed a couple crashes in editing entities
Fixed bug in edge vertex generation.
collision logic for capsule-side-vs-cube-face

with unit tests
CR
new audio format object
merge upstream/master into andrew/ragdoll
re-enabling legacy avatar-vs-voxel collisions

so that I don't break anything when this merges with upstream
Merge pull request #3330 from Atlante45/rec_file_format_tweaks

Rec file format tweaks
merge upstream/master into andrew/ragdoll
fixed some problems in UpdateEntityOperator in case where original containing element isn't best fit
More dual contour bits.
fix bug with animations randomly not working
properly handle LOD in rendering by not rendering small entities
suppress unchanged entities