[SPARK-5671] Upgrade jets3t to 0.9.2 in hadoop-2.3 and 2.4 profiles

Upgrading from jets3t 0.9.0 to 0.9.2 fixes a dependency issue that was
causing UISeleniumSuite to fail with ClassNotFoundExceptions when run
the hadoop-2.3 or hadoop-2.4 profiles.

The jets3t release notes can be found at http://www.jets3t.org/RELEASE_NOTES.html

Author: Josh Rosen <joshrosen@databricks.com>

Closes #4454 from JoshRosen/SPARK-5671 and squashes the following commits:

fa6cb3e [Josh Rosen] [SPARK-5671] Upgrade jets3t to 0.9.2 in hadoop-2.3 and 2.4 profiles