perftest-4.1-0.2

Updates from prior version:

• Avoid configuring the MRs with 1's
• Warning messages clean-up
• Modify the version to support upgrade of RH7.4
• Added run_perftest_multi_devices script
• Modify perftest version control logic
• Add new FS rate test
• Fix ODP compilation issue
• Add support for selecting comp vector when using events
• Remove redundant ibv_query_gid
• Fix latency report in iteration mode
• Fix Max and percentile results
• Add fflush to results print