EDIT

ref #7095 Fix session problems

• load WS with property path to avoid multiple representation exception

ref #7086, #7095 minor WS perspective changes

ref #7095 Add categorical data support for summary row

ref #7086, #7095 minor WS perspective changes

ref #7086, #7095 Add WS perspective

• initializse WS navigator when connected to data source

ref #7095 Add summary row to top of grid

ref #7086, #7095 Add descriptions to WS initially in matrix editor

ref #7095 Add descriptions via button to matrix

ref #7095 Remove view configuration from header menus

Merge branch 'develop' into wset