MFH: r516852

devel/nexus2-oss: Update to 2.14.15-01

PR: 241308
Submitted by: Michael Osipov <michael.osipov@siemens.com> (maintainer)
Approved by: tz (mentor, implicit)
Security: b2f9573a-008c-11ea-9801-10c37b4ac2ea

Approved by: ports-secteam (joneum)