register 3rd party testing data for ofagent.
set TEMPEST_CONCURRENCY
use set_node_options_default_trusty instead of single_use_node
add DEVSTACK_GATE_3PPRJ_BASE and DEVSTACK_GATE_3PBRANCH
remove /opt/stack/confs in a jenkins build shell
rename config repository name to system-config.
add environ variable PROJECT_CONF_REPO.
move check-tempest-dsvm-ofa.yaml to template in os-ext-testing repository.
change a branch name to ofaci_jenkins1533.