Parse more variants of timestamps with time zones

TIMESTAMP WITHOUT TIME ZONE, TIMEZONE_HOUR, and TIMEZONE_MINUTE

Assorted minor changes in Parser

Update documentation of date-time types and clean up related code a bit

Implement conversions for TIMESTAMP WITH TIME ZONE

Fix two-phase commit in MVStore

issue#884 Wrong test Resources path in pom.xml

Fix building of documentation

Add support for TIMESTAMP WITH TIME ZONE to FORMATDATETIME

Return all generated rows and columns from getGeneratedKeys()

Reimplement dateValueFromDate() and nanosFromDate() without a Calendar