[SQL] Upgrade parquet library.

I think we are hitting this issue in some perf tests: https://github.com/Parquet/parquet-mr/commit/6aed5288fd4a1398063a5a219b2ae4a9f71b02cf

Credit to @aarondav !

Author: Michael Armbrust <michael@databricks.com>

Closes #684 from marmbrus/upgradeParquet and squashes the following commits:

e10a619 [Michael Armbrust] Upgrade parquet library.
(cherry picked from commit 4d6055329846f5e09472e5f844127a5ab5880e15)

Signed-off-by: Patrick Wendell <pwendell@gmail.com>
[SPARK-1778] [SQL] Add 'limit' transformation to SchemaRDD.

Add `limit` transformation to `SchemaRDD`.

Author: Takuya UESHIN <ueshin@happy-camper.st>

Closes #711 from ueshin/issues/SPARK-1778 and squashes the following commits:

33169df [Takuya UESHIN] Add 'limit' transformation to SchemaRDD.
(cherry picked from commit 8e94d2721a9d3d36697e13f8cc6567ae8aeee78b)

Signed-off-by: Patrick Wendell <pwendell@gmail.com>