Implement quotes.

quotes/data.py

@@ -1,5 +1,5 @@
 from data import Registry, RowModel, Table
-from data.columns import Integer, Timestamp, String
+from data.columns import Bool, Integer, Timestamp, String
 
 from weakref import WeakValueDictionary
 
@@ -10,6 +10,7 @@ class Quote(RowModel):
     quoteid = Integer(primary=True)
     communityid = Integer()
     content = String()
+    deleted_at = Timestamp()
     created_by = Integer()
     created_at = Timestamp()
     _timestamp = Timestamp()
@@ -21,6 +22,7 @@ class QuoteInfo(Quote):
     _cache_ = WeakValueDictionary()
     
     quotelabel = Integer()
+    is_deleted = Bool()
 
 
 class QuotesData(Registry):