Local pypi element

you need additional vars, example from my toci setup:
export TOCI_REPOREF_bm_poseur=13c6574
export TOCI_REPOREF_cinder=e01eba47b94c3cbb41491acdbcabd9ba14936be6
export TOCI_REPOREF_config_applier=5a0470f
export TOCI_REPOREF_devstack=b48e008
export TOCI_REPOREF_diskimage_builder=d5afe2b
export TOCI_REPOREF_glance=f4f2a82
export TOCI_REPOREF_heat=002dcaa
export TOCI_REPOREF_incubator=5c72571
export TOCI_REPOREF_keystone=ec4680a
export TOCI_REPOREF_neutron=6d089df
export TOCI_REPOREF_nova=a6bc12c
export TOCI_REPOREF_novnc=3cb89f5
export TOCI_REPOREF_os_collect_config=f1f71c0
export TOCI_REPOREF_os_refresh_config=8386314
export TOCI_REPOREF_python_glanceclient=7a4a8a0
export TOCI_REPOREF_python_heatclient=96dbb09
export TOCI_REPOREF_python_keystoneclient=baa9490
export TOCI_REPOREF_python_neutronclient=16bf282
export TOCI_REPOREF_python_novaclient=2ab3344
export TOCI_REPOREF_tripleo_heat_templates=69f1dcc
export TOCI_REPOREF_tripleo_image_elements=941ac61
export TOCI_REPOREF_tripleo_incubator=fd9d825
export CUSTOM_RELEASE=1
export DIB_OFFLINE=1
export EXTRA_ELEMENTS="local-pypi"

Change-Id: Idf72b53e29e36f7427566245cc4d159eca7ddd32