Add new packages to jenkins-slave class.

Packages:
* maven-dependency-plugin
* postgresql-jdbc
* maven-antrun-plugin
* maven-compiler-plugin
* apache-commons-collections

Change-Id: I6c97638c511629ba32a90d640281e6b7b305ae97
Signed-off-by: Kiril Nesenko <knesenko@redhat.com>