Results: Integrate with opnfv_test_dashboard

Results: Integrate with opnfv_test_dashboard

The feature is enabled by --opnfvpod parameter on vsperf command line.
The value of the parameter sets POD name:
example:
--opnfvpod <pod_name>   or   --opnfvpod=<pod_name>
You need to specify installer name. It can be set in conf-file
default value:
OPNFV_INSTALLER = "Fuel"
Additionally, there are two parameters with default values:
OPNFV_URL = "http://213.77.62.197"
Defines address of opnfv releng database server
PACKAGE_LIST = "src/package-list.mk"
OVS and DPDK tags are read from this file and values are used
for creation of 'version' filed.
The patch requires 'requests' module. The requirements.txt is updated.

JIRA: VSPERF-112

Change-Id: I49f6f5058b1bce8a257669efa8229ff31879481d
Signed-off-by: Radek Zetik <radekx.zetik@intel.com>
Reviewed-by: Maryam Tahhan <maryam.tahhan@intel.com>
Reviewed-by: Brian Castelli <brian.castelli@spirent.com>