add boundingBox.dimensions to entity properties
use axis aligned bounding box for highlight and selection box instead of non-axis aligned box
make sure to not select other entities when clicking on a grab handle of a selected entity
dont allow stretching below a minimum dimension
correctly handle unselect and dont show highlight when other tool is active
display tickmarks on the current rotation overlay
fix shifting tickmarks
draw tickmarks for current roation correctly for pitch and roll as well
Merge pull request #3585 from ZappoMan/editToolsImprovements

various edit tool fixes