Log Message:
-----------
Support for provider specific types (with compatibility flag on change to NpgsqlInterval)
Modified Files:
--------------
Npgsql2/src/Npgsql:
NpgsqlDataReader.cs (r1.21 -> r1.22)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/NpgsqlDataReader.cs?r1=1.21&r2=1.22)