EDIT

ref #7086, #7095 Added "Open in..." menu for WS and matrix editor

ref #7086 Fix initial dirty state

ref #7086, #7095 Implement working set navigator

ref #7095 package restructuring

ref #7086 Selection listening for dirty state changes

ref #7086 Add browse button to open working sets in WS editor

ref #7095 Implement prototypical quantitative data cell editor

ref #7095 Remove unnecessary editor configuration

Merge branch 'develop' into wset

ref #7095 Implement combo box editor for categorical data