Added options to VBox to make it update dynamically, added a test case
Changed interface from updateLayoutOnChildBoundsChange+updateLayoutOnChildAddedOrRemoved to resize, see #116
Added a missing ;, see #116
Added resize function to HBox and factored out shared code to AbstractBox, see https://github.com/phetsims/scenery/issues/116
updated docs
Merge remote-tracking branch 'origin/vboxhbox'