move XZ translation into the selection tool so that it plays nice with stretchers
dry up some code
implement FAR side stretching
implement TOP, BOTTOM, LEFT, RIGHT side stretching
fix RBN stretching, tweak some names, add some additional edge grabbers to some sides
layout changes on update dialog
implement more corner stretching
hide rotate handles till implemented
Merge branch 'master' of https://github.com/highfidelity/hifi into editToolsImprovements
fix comment
	more dialog fixes
Merge branch 'master' of https://github.com/highfidelity/hifi into 20061
Layout changes
Merge branch 'master' of https://github.com/highfidelity/hifi into 20091
address bar style fix
close icon size fix
mode nodes to connected hash upon ping reply receipt
send back to the network peer on established sock addr if it exists
Merge pull request #3526 from ey6es/metavoxels

Tweaks to the way dual contour edits are performed, added cuboid shape and made snapping to grid optional for boxes.
handle case where access_token is empty