Loop test invoke with command passing as argument

What this fix focuses
   - Enabled to run any test(s) in loop
   - Updated README
   - IP address removed to publish the result

Resolves openbmc/openbmc-test-automation#168

Change-Id: I75931193bdae0f140d83a941f3356521ae911c94
Signed-off-by: Sivas SRR <sivas.srr@in.ibm.com>
3 files changed