SPARK-2596 HOTFIX: Deal with non-existent JIRAs.

A small bug that was found in our JIRA sync script.
Typo fix to the programming guide in the docs

Typo fix to the programming guide in the docs. Changed the word "distibuted" to "distributed".

Author: Cesar Arevalo <cesar@zephyrhealthinc.com>

Closes #1495 from cesararevalo/master and squashes the following commits:

0c2e3a7 [Cesar Arevalo] Typo fix to the programming guide in the docs
SPARK-2587: Fix error message in make-distribution.sh

make-distribution.sh gives a slightly off error message when using --with-hive.

Author: Mark Wagner <mwagner@mwagner-ld.linkedin.biz>

Closes #1489 from wagnermarkd/SPARK-2587 and squashes the following commits:

7b5d3ff [Mark Wagner] SPARK-2587: Fix error message in make-distribution.sh