mariadb 5.5.29

Closes #17573.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
jmeter 2.9

Closes #17572.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Revert "checkstyle 5.6"

5.6 doesn't run in tests, so revert to 5.5

This reverts commit eb678aae857868495d1136a852ba906947761613.

Closes #17571.