Merge pull request #5 from l1ll1/onetab

Onetab
Fix for CVLFAB-916 (Launcher failing to close old WebDAV window on
MASSIVE when closing a desktop without killing the VNC session).
Merge branch 'master' of https://github.com/monash-merc/cvl-fabric-launcher into onetab
Merge pull request #6 from wettenhj/master

Fix for CVLFAB-916
Merge branch 'master' of https://github.com/monash-merc/cvl-fabric-launcher into onetab