bugfix: bottlenecks devguide in docs.opnfv.org

JIRA: BOTTLENECK-149

Adjust the directory structure to make Bottlenecks devguide
on docs.opnfv.org.

Change-Id: Ib773a26ca5f4eaee94834ff641ec45531ef3025c
Signed-off-by: yuyang <Gabriel.yuyang@huawei.com>

diff --git a/docs/testing/developer/dashboard_guide.rst b/docs/testing/developer/devguide/dashboard_guide.rst
similarity index 100%
rename from docs/testing/developer/dashboard_guide.rst
rename to docs/testing/developer/devguide/dashboard_guide.rst

diff --git a/docs/testing/developer/deprecated.rst b/docs/testing/developer/devguide/deprecated.rst
similarity index 100%
rename from docs/testing/developer/deprecated.rst
rename to docs/testing/developer/devguide/deprecated.rst

diff --git a/docs/testing/developer/index.rst b/docs/testing/developer/devguide/index.rst
similarity index 100%
rename from docs/testing/developer/index.rst
rename to docs/testing/developer/devguide/index.rst

diff --git a/docs/testing/developer/overview.rst b/docs/testing/developer/devguide/overview.rst
similarity index 100%
rename from docs/testing/developer/overview.rst
rename to docs/testing/developer/devguide/overview.rst

diff --git a/docs/testing/developer/posca_guide.rst b/docs/testing/developer/devguide/posca_guide.rst
similarity index 100%
rename from docs/testing/developer/posca_guide.rst
rename to docs/testing/developer/devguide/posca_guide.rst

diff --git a/docs/testing/developer/rubbos_guide.rst b/docs/testing/developer/devguide/rubbos_guide.rst
similarity index 100%
rename from docs/testing/developer/rubbos_guide.rst
rename to docs/testing/developer/devguide/rubbos_guide.rst

diff --git a/docs/testing/developer/vstf_guide.rst b/docs/testing/developer/devguide/vstf_guide.rst
similarity index 100%
rename from docs/testing/developer/vstf_guide.rst
rename to docs/testing/developer/devguide/vstf_guide.rst