option to use the linked path or the local path for pointcache.

needed for sintels hair to be baked locally.

release/scripts/ui/properties_object.py

@@ -156,7 +156,7 @@ class OBJECT_PT_groups(ObjectButtonsPanel):
         wide_ui = context.region.width > narrowui
 
         split = layout.split(percentage=0.8, align=True)
-        split.operator("object.group_link", text="Link to Group")
+        split.operator("object.group_link", text="Add to Group")
         split.operator("object.group_add", text="", icon='ZOOMIN')
 
         # XXX, this is bad practice, yes, I wrote it :( - campbell