BLTI-257

Increment maven plugins to support parallel builds



git-svn-id: https://source.sakaiproject.org/svn/basiclti/branches/basiclti-2.1.x@128961 66ffb92e-73f9-0310-93c1-f5514f145a0a
BLTI-254
BLTI-259
BLTI-260

Combine and merge these revisions:

127951 BLTI-254
127957 BLTI-259
127963 BLTI-260




git-svn-id: https://source.sakaiproject.org/svn/basiclti/branches/basiclti-2.1.x@128962 66ffb92e-73f9-0310-93c1-f5514f145a0a