(unfinished) test service functions

Move service function tests to stand-alone file

Change-Id: I3f4628b8dd55fa7819e7b697fe621861a582bbbc
Add config_tempest

Build a Tempest config from external could configuration

Change-Id: I80016c1f03a7cfcb52250da63de0e96d5f94c4af
Refresh exercise scripts

* Use OSC in client-args.sh

Change-Id: Ic97681c22e4ace6bf84dd3afc25161bc5d2cbae8
Local vars - git functions

Change-Id: I78283d13ff77b61079b9041617a5d37bae1db991
Local vars - misc

Catch the rest of them, document global usage

Change-Id: I3f97a514f9964ef36bff2f24a2f0a98614871a9f
Local vars - upload_image()

Change-Id: Ie1ef200b905dd5d17ef887390d620817208f2bf5
Local vars - ceilometer

Change-Id: I8f70f8318c0e9fe6da24a2ee97c95a98ef156865
Local vars - cinder

Change-Id: Iedeafa15def1fa26d4ddcbc5f670129f66e38b9d
Local vars - glance

Change-Id: I47d6a5b79c70d394d10c304d79ea511c2f3d1b5a
Local vars - heat

Change-Id: Ia912a8d3ea764dc713e8fdc380175ab98f887a60
Local vars - horizon

Change-Id: I1924ecdd68a9c7bf947c06f33aa79c38ada1d3b4
Local vars - ironic

Change-Id: I7a455299c6aa079de02b75d4d53df43074880ff7
Merge branch 'test-ca' into dt-test
Merge branch 'usb-prereq' into dt-test
Merge branch 'local-vars' into dt-test
Merge branch 'conf-tempest' into dt-test
Merge branch 'test-service-functions' into dt-test
Merge branch 'exercise-refresh' into dt-test