Added layerX and layerY to pointerevents interface.
javascript workspace: collapsible var area
PropertyPath: improved set -- ensure path when arrays are in it
halos: more flexible regarding customized halos
new systemconsole: gather log messages, control verbose logging
buildspec: fix for list extensions @merryman -- didn't you want to clean this up?
persistence debugging: fix printing paths
improved print tree of directories via drag and drop or interactive comd
fixes for pointerevents, BertButton
JavaScriptWorkspace: fixing morph order
fixed text input in safari by reverting fix from 231f03812d84960ca9c2c8ac6dcce62c2809ee2b . Chrome seems to have fixed the invisible checkbox bug by now.