Remove "clip" from Fill

Put that in Gather. Also removed from feeds.py. "alone" mode was also added (it removes the description).

feeds.py

@@ -343,14 +343,11 @@ class FeedItem(FeedBase):
 	description = desc = FeedDescriptor('desc')
 	content = FeedDescriptor('content')
 
-	def pushContent(self, value, clip=False):
+	def pushContent(self, value):
 		if not self.desc and self.content:
 			self.desc = self.content
 
-		if self.desc and clip:
-			self.content = self.desc + "<br/><br/>* * *<br/><br/>" + value
-		else:
-			self.content = value
+		self.content = value
 
 	def remove(self):
 		self.xml.getparent().remove(self.xml)