Needed rebase after fuel dev-ops changes

Needed rebase after fuel dev-ops changes

Patch needed after updated fuel devops repo key change
Reference: https://github.com/stackforge/fuel-main/commit/82e77c7f476a23220f44b74c7f32fc04a7189a4e#diff-9d30c16c74e663e5cdb1dc7d9189ed2d

Patch needed after updated fuel devops python package versions
Reference: https://github.com/stackforge/fuel-main/commit/a765460d3fd69089e3b4d2b3a6b55e28e6fb53eb

Rebased site.pp

Change-Id: I138b383b0d57091a81f98acae3b6e7af6a189632
Signed-off-by: Jonas Bjurel <jonas.bjurel@ericsson.com>
(cherry picked from commit 82b3389ae1907b04c1d57a8ce87708726b00277a)