Data-driven test

- It deploys envirnoment according to provided
parameters. It does not perform any verification or additional
runs (network verification, OSTF).
- Test parameters are stored in Google spreadsheet
so you need to export following envirnment variables:
GOOGLE_LOGIN, GOOGLE_PASSWORD, GOOGLE_SPREEDSHEET.
GOOGLE_SPREEDSHEET is spreadsheet_key, could be found in
a spreadsheet URL

Change-Id: I0157f4b85059252ae5b2f97769ce1dc7886d390c