463075 don't register same realm with plugin and extensions caches

included copy of DefaultMavenPluginManager with changes from
https://git-wip-us.apache.org/repos/asf?p=maven.git;a=commit;h=9f50eabea54343fca522f42a2a41ffdb086e3240

Change-Id: I1917428eb6a6a9dbd5523aa77484465b0f874eba
Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
1 file changed