Fixed bug in which overlay library was left open when a user selects a differnt map tool, re #1125
Fixed bug in which overlay library was left open when a user selects a differnt map tool, re #1125

archesproject/arches,cvast/arches,archesproject/arches,cvast/arches,cvast/arches,cvast/arches,archesproject/arches,archesproject/arches