SPARK-4814 [CORE] Enable assertions in SBT, Maven tests / AssertionError from Hive's LazyBinaryInteger

This enables assertions for the Maven and SBT build, but overrides the Hive module to not enable assertions.

Author: Sean Owen <sowen@cloudera.com>

Closes #3692 from srowen/SPARK-4814 and squashes the following commits:

caca704 [Sean Owen] Disable assertions just for Hive
f71e783 [Sean Owen] Enable assertions for SBT and Maven build

(cherry picked from commit 81112e4b573292e76c7feeed995751bd7a5fe489)
Signed-off-by: Josh Rosen <joshrosen@databricks.com>

Conflicts:
	pom.xml