test to configure 100k flows

no switch needed to be connected
it is and example of how to to run several threads in the background
comments expected for this solution
this test will be enlarged to 1M flows if concept acceptable
for 1M odl need to be run with -Xmx8196m

Change-Id: I6c6d5e24ec2be88513b744e46a103bc65246d735
Signed-off-by: Peter Gubka <pgubka@cisco.com>
Merge "test to configure 100k flows"