bump IVS version to 0.5
Merge into master from pull request #188:
bump IVS version to 0.5 (https://github.com/floodlight/ivs/pull/188)
update indigo

* submodules/indigo dea371a...1a2b943 (2):
  > Merge into master from pull request #155: Add "local" custom log flag to control logging of connection state machine transitions for local connections. (https://github.com/floodlight/indigo/pull/155)
  > Merge into master from pull request #152: Convert checksum operations from xor to add/subtract (https://github.com/floodlight/indigo/pull/152)
update infra

* submodules/infra 5e6c157...2e51690 (1):
  > Merge into master from pull request #27: Introduce the DEPENDMODULE_HEADERS variable. (https://github.com/floodlight/infra/pull/27)
update loxigen-artifacts

* submodules/loxigen-artifacts babd1a1...835e6c4 (2):
  > Artifacts from https://github.com/floodlight/loxigen/compare/2c4d1260433e3e9336d803e76642a5b9034ed190...d521400167a9a8e014afffed95952e3412f85007
  > Artifacts from https://github.com/floodlight/loxigen/compare/d713295cf799f7489dbe5b6defcc07d9fc8a1fba...2c4d1260433e3e9336d803e76642a5b9034ed190
ivs: copy version to sw_desc field

This matches other switches.
Merge into master from pull request #189:
update submodules and put version in sw_desc (https://github.com/floodlight/ivs/pull/189)
Merge into master from pull request #187:
Create stats abstraction (https://github.com/floodlight/ivs/pull/187)
pipeline_standard: fix memory leaks when action validation fails
update OFTest test lists

Blacklist some tests where we've removed support for the OF 1.0 functionality.

Also added a test list for OF 1.3.
Merge into master from pull request #190:
fix pipeline_standard memory leak and update OFTest lists (https://github.com/floodlight/ivs/pull/190)
update indigo

* submodules/indigo 1a2b943...216a076 (2):
  > Merge into master from pull request #158: OFConnectionManager: add notifications for barriers (https://github.com/floodlight/indigo/pull/158)
  > Merge into master from pull request #157: Add generation ID to the connection ID, and pause reading messages during long-running tasks (https://github.com/floodlight/indigo/pull/157)
update loxigen-artifacts

* submodules/loxigen-artifacts 835e6c4...8619d52 (3):
  > Artifacts from https://github.com/floodlight/loxigen/compare/1dcdc363b51be6f0c8e02648bf5dbbc0b2b2708c...e9d105578e13db5fa6c52f0b8c7b4d80f328b31a
  > Artifacts from https://github.com/floodlight/loxigen/compare/201b2d72df2f8d39d9e87bebdf5e348772e26716...1dcdc363b51be6f0c8e02648bf5dbbc0b2b2708c
  > Artifacts from https://github.com/floodlight/loxigen/compare/d521400167a9a8e014afffed95952e3412f85007...201b2d72df2f8d39d9e87bebdf5e348772e26716
OVSDriver: defer kflow revalidation until a barrier request

The goal is to speed up adding flowtable entries when there are many kernel
flows.
update indigo

* submodules/indigo 216a076...655d3cd (2):
  > Merge into master from pull request #160: OFConnectionManager: add assertions for clang static analyzer (https://github.com/floodlight/indigo/pull/160)
  > Merge into master from pull request #159: Optimize flowtable iteration (https://github.com/floodlight/indigo/pull/159)
Merge into master from pull request #192:
OVSDriver: defer kflow revalidation until a barrier request (https://github.com/floodlight/ivs/pull/192)
add IVS wrapper scripts for perf and massif
Merge into master from pull request #193:
add IVS wrapper scripts for perf and massif (https://github.com/floodlight/ivs/pull/193)
ivs-ctl: add dump-flows command

The code is similar to OVSDriver's dump.c, but the output is intended for
normal human consumption. Only a subset of key and action attributes are
supported.
Merge into master from pull request #194:
ivs-ctl: add dump-flows command (https://github.com/floodlight/ivs/pull/194)