[ANSIBLE 3.2.0] Upgrade 'nexus' role's tasks to ansible 3.2.0

Change-Id: Ibeaea4b3b627c356521b4c847d56eeb922a8cca1
Issue-ID: OOM-2722
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
3 files changed