Merge into master from pull request #133:
update pyloxi to loxigen-artifacts @ c5aa7c7e694f3679b53f92844eb955d7471... (https://github.com/floodlight/oftest/pull/133)
add new port counters
Merge into master from pull request #134:
add new port counters (https://github.com/floodlight/oftest/pull/134)
bsn_flow_checksum: change checksum XOR operation to add/subtract
bsn_gentable: change checksum XOR operation to add/subtract
Merge into master from pull request #135:
Replace flowtable/gentable checksum XOR operations with add/subtract (https://github.com/floodlight/oftest/pull/135)
tests-1.3: mark bsn_in_ports as nonstandard

This tests an experimenter OXM.
Merge into master from pull request #136:
tests-1.3: mark bsn_in_ports as nonstandard (https://github.com/floodlight/oftest/pull/136)
update loxi to include disable_vlan_counters
Merge into master from pull request #137:
update loxi to include disable_vlan_counters (https://github.com/floodlight/oftest/pull/137)
groups: fix GroupDescStats to use group_type

Fixes #138.
Merge into master from pull request #140:
groups: fix GroupDescStats to use group_type (https://github.com/floodlight/oftest/pull/140)
oft: Name constants in UPPERCASE

Signed-off-by: Stephen Finucane <stephenfinucane@hotmail.com>
oft: Convert to print_function

Replace the Python 'print' keyword ('print x') with the function
version ('print(x)'). This is the recommended approach for new Python
code.

In addition, replace a number of 'print' calls with either logging or
calls to 'die' to be consistent.

Signed-off-by: Stephen Finucane <stephenfinucane@hotmail.com>
Merge into master from pull request #142:
Python 2.7 Updates (https://github.com/floodlight/oftest/pull/142)
update pyloxi to loxigen-artifacts @ 8d47a63310c888e276c93b8e45d4ddbf81fc8e0a
Merge into master from pull request #143:
update pyloxi to loxigen-artifacts @ 8d47a63310c888e276c93b8e45d4ddbf81fc8e0a (https://github.com/floodlight/oftest/pull/143)
update pyloxi to floodlight/loxigen-artifacts @ 28693e75f6526cee55fc8b88a85ceab24d3a0c46
Merge into master from pull request #145:
update pyloxi to floodlight/loxigen-artifacts @ 28693e75f6526cee55fc8b88a85ceab24d3a0c46 (https://github.com/floodlight/oftest/pull/145)
update pyloxi to floodlight/loxigen-artifacts @ d54f9d32510eef695431c02e519adddb5c64fb90