PARQUET-915: Support additional Arrow date/time types and metadata

I am working on ARROW-865 which exposes these to Python users

Closes apache#270

Author: Wes McKinney <wes.mckinney@twosigma.com>

Closes apache#311 from wesm/PARQUET-915 and squashes the following commits:

0a89639 [Wes McKinney] Add test for time64[ns]
6331d8c [Wes McKinney] Cast time32[second] to time32[millisecond]
37c1b42 [Wes McKinney] cpplint
5167a7a [Wes McKinney] Add unit test for date64->date32 cast
440b40f [Wes McKinney] Add unit test for date/time types that write without implicit casts
e626ebd [Wes McKinney] Use inline visitor in LevelBuilder
2ab7f12 [Wes McKinney] Plumbing and expansions for rest of Arrow date/time types
3aa64fa [Wes McKinney] Add conversion for TIMESTAMP_MICROS

Change-Id: I37aade098d3e893e6987a212affdd5dccd33cc07

Author: wesm