Revert "bump to version 2.7 of the surefire plugin"
Revert "bump to version 2.7 of the surefire plugin"

This reverts commit fc548236b3dd1481fc63360746499c1cface6063.

roskens/opennms-pre-github,aihua/opennms,roskens/opennms-pre-github,aihua/opennms,rdkgit/opennms,aihua/opennms,rdkgit/opennms,roskens/opennms-pre-github,roskens/opennms-pre-github,aihua/opennms,tdefilip/opennms,aihua/opennms,tdefilip/opennms,rdkgit/opennms,roskens/opennms-pre-github,tdefilip/opennms,roskens/opennms-pre-github,rdkgit/opennms,tdefilip/opennms,tdefilip/opennms,tdefilip/opennms,tdefilip/opennms,tdefilip/opennms,aihua/opennms,roskens/opennms-pre-github,roskens/opennms-pre-github,rdkgit/opennms,aihua/opennms,tdefilip/opennms,roskens/opennms-pre-github,rdkgit/opennms,rdkgit/opennms,rdkgit/opennms,aihua/opennms,roskens/opennms-pre-github,aihua/opennms,rdkgit/opennms,roskens/opennms-pre-github,rdkgit/opennms