remove web content when we delete the Item... This shouldn't stop

any transfers in progress, just stop new ones, and this will mean
that objects can finally die if/when they are deleted..

[git-p4: depot-paths = "//depot/": change = 816]

ContentDirectory.py

@@ -76,6 +76,9 @@ class ContentDirectoryControl(UPnPPublisher, dict):
 			del self.children[id]
 		# Remove from parent
 		self.children[self[id].parentID].remove(self[id])
+		# Remove content
+		if hasattr(self[id], 'content'):
+			self.webbase.delEntity(id)
 		del self[id]
 
 	def getchildren(self, item):