Update spell-check dictionary.
RexToLixTranslator now takes a callback that determines how input records & fields are converted to expressions. It also takes a BlockBuilder, rather than a list of Statement, and the BlockBuilder takes more of the responsibility for assigning common expressions to variables. Move functionality from PhysType into JavaRowFormat.

Make UnregisteredDriver.JdbcVersion a bit more public.

Fix Utilities for JDK 1.6.