PEP8 fix
Fixes for failing tests on jenkins
Resolved merge conflicts
Update checksums for map test
Fix unittests: IF doc, default minimum needs, map hash.
Merge pull request #1419 from ismailsunni/unit_test

Fix unittests: IF doc, default minimum needs, map hash.
Merge pull request #1418 from timlinux/develop

Test fixes for 2.2 release
Added throughput graph on readme
Merge pull request #1421 from timlinux/develop

Added throughput graph on readme