update jackson2.version to 2.9.9 (#1530)
update jackson2.version to 2.9.9 (#1530)


dbernstein/fcrepo4,robyj/fcrepo4,bseeger/fcrepo4,fcrepo4/fcrepo4,peichman-umd/fcrepo4,whikloj/fcrepo4,awoods/fcrepo4,escowles/fcrepo4,bseeger/fcrepo4,awoods/fcrepo4,peichman-umd/fcrepo4,fcrepo4/fcrepo4,whikloj/fcrepo4,bseeger/fcrepo4,whikloj/fcrepo4,robyj/fcrepo4,whikloj/fcrepo4,peichman-umd/fcrepo4,fcrepo4/fcrepo4,awoods/fcrepo4,escowles/fcrepo4,robyj/fcrepo4,dbernstein/fcrepo4,robyj/fcrepo4,dbernstein/fcrepo4,escowles/fcrepo4