Support for TIMEZONEZ column type

[mrfelton]

MoSQL doesn't appear to support the Postgres TIMESTAMPZ date type (otherwise known as timestamp with timezone)

http://www.postgresql.org/docs/9.4/static/datatype-datetime.html

This makes it impossible to include timezone information in date fields currently.

[andrewbaker00]

@mrfelton Use: created_at: TIMESTAMP WITH TIMEZONE

works for me.