Docker: VSPERF Results Container.

Docker: VSPERF Results Container.

This patch adds docker-compose.yml and related config files
for creating a results container. The container hosts following
services:
1. Barometer Grafana.
2. Barometer Influxdb.
2. ELK Stack.
3. OPNFV TestAPI.
4. Jupyter Notebook with VSPERF testresults-analysis.

Removed dashboard files, which can be obtained from barometer-grafana.
Added comment in tools.rst under pre-deployment

Retained only vpserf-cases and vsperf in cases.json and projects.json

Changed barometer-influxdb to influxdb:latest.

Added README.md file.

Added environment variable setting to disable token for jupyter

JIRA: VSPERF-602

Change-Id: I37a1391a1f34f834ce0d46def75a9f3454e09772
Signed-off-by: Sridhar K. N. Rao <sridhar.rao@spirent.com>