Bumped sabre/vobject back to stable version
Bumped sabre/vobject back to stable version

PVince81/sabre-dav,PVince81/sabre-dav,fruux/sabre-dav,staabm/sabre-dav,staabm/sabre-dav,PVince81/sabre-dav,fruux/sabre-dav,fruux/sabre-dav,staabm/sabre-dav