releng: Update maven plugins used.

releng: Update maven plugins used.

* tycho 0.18 -> 0.18.1
* jacoco-maven-plugin 0.6.2 -> 0.6.3
* maven-site-plugin 3.2 -> 3.3
* maven-project-info-reports-plugin 2.6 -> 2.7
* maven-javadoc-plugin 2.9 -> 2.9.1
* maven-antrun-plugin 1.2 ->1.7

Change-Id: I938a1081f25caeccaeec1bdcad770cd8e2ceadfb
Reviewed-on: https://git.eclipse.org/r/15910
Tested-by: Hudson CI
Reviewed-by: Alexander Kurtakov <akurtako@redhat.com>
IP-Clean: Alexander Kurtakov <akurtako@redhat.com>
Tested-by: Alexander Kurtakov <akurtako@redhat.com>