Updated SQL programming guide's Hive connectivity section.
Updated SQL programming guide's Hive connectivity section.

(cherry picked from commit 7716a5a1ec8ff8dc24e0146f8ead2f51da6512ad)
Signed-off-by: Reynold Xin <c9d35a384bc579d1c6c8c055f2a2b5c04e11b521@databricks.com>

andrewor14/iolap,andrewor14/iolap,andrewor14/iolap,andrewor14/iolap,andrewor14/iolap,andrewor14/iolap,andrewor14/iolap