Update picocontainer to 2.15

Description

Picocontainer 2.15 has been released already some time ago (since they moved from Codehaus to Github):
https://github.com/picocontainer/PicoContainer2

We should use go for it in this major release.

Environment

None
Fixed

Assignee

René Krell

Reporter

René Krell

Impact

API - may break existing custom implementations

Components

Sprint

None

Fix versions

Affects versions

Priority

Medium
Configure