Remove usage of colander.timeparse() function

that did very little, and has been removed in latest colander release

tailbone/forms/types.py

@@ -56,12 +56,12 @@ class JQueryTime(colander.Time):
         ]
         for fmt in formats:
             try:
-                return colander.timeparse(cstruct, fmt)
+                return datetime.datetime.strptime(cstruct, fmt).time()
             except ValueError:
                 pass
 
         # re-try first format, for "better" error message
-        return colander.timeparse(cstruct, formats[0])
+        return datetime.datetime.strptime(cstruct, formats[0]).time()
 
 
 class DateTimeBoolean(colander.Boolean):