[KARAF-3233] Upgrade to Pax Exam 4.2.0
[KARAF-3229] Upgrade to Felix EventAdmin 1.4.2
Revert "[KARAF-3229] Upgrade to Felix EventAdmin 1.4.2"

This reverts commit 21b58bddcf72fd476845ed9bfdd6a5e1914ba754.
[KARAF-3229] Upgrade to Felix FileInstall 1.4.2