SLING-3813 - Pax-Exam tests fail when executed under Java 8

Downgrade pax-exam version to 3.5.0 to ensure that tests can be executed
with Java 6.

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1615343 13f79535-47bb-0310-9956-ffa450edef68
SLING-3813 - Pax-Exam tests fail when executed under Java 8

Downgrade pax-exam version to 3.5.0 to ensure that tests can be executed
with Java 6.

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1615344 13f79535-47bb-0310-9956-ffa450edef68