SAK-25722 maven pom cleanup

git-svn-id: https://source.sakaiproject.org/svn/kernel@134447 66ffb92e-73f9-0310-93c1-f5514f145a0a
KNL-1175 private fields make adding new notifications difficult, changed private to protected



git-svn-id: https://source.sakaiproject.org/svn/kernel@134459 66ffb92e-73f9-0310-93c1-f5514f145a0a
KNL-1176 - Allow data image encoded src in formattedtext


git-svn-id: https://source.sakaiproject.org/svn/kernel@305961 66ffb92e-73f9-0310-93c1-f5514f145a0a