OFStateManager: convert list iteration to of_object_t
update bigcode

* submodules/bigcode 431fd61...6834d73 (4):
  > Merge into master from pull request #38: Editline Server Module. (https://github.com/floodlight/bigcode/pull/38)
  > Merge into master from pull request #37: slot allocator module (https://github.com/floodlight/bigcode/pull/37)
  > Merge into master from pull request #36: Latest (https://github.com/floodlight/bigcode/pull/36)
  > Merge into master from pull request #35: Add burst parameter to pimu_flow_pps_set. (https://github.com/floodlight/bigcode/pull/35)
update infra

* submodules/infra 3ffc4c1...b4d775f (13):
  > Add 8bits datatype.
  > Merge into master from pull request #31: Fix obj ratelimit macro (https://github.com/floodlight/infra/pull/31)
  > Merge into master from pull request #28: add update-submodules.sh script (https://github.com/floodlight/infra/pull/28)
  > Merge into master from pull request #30: AIM logging function (https://github.com/floodlight/infra/pull/30)
  > Merge into master from pull request #27: Introduce the DEPENDMODULE_HEADERS variable. (https://github.com/floodlight/infra/pull/27)
  > Merge into master from pull request #26: AIM: squelch unused variable warnings from ASSERT (https://github.com/floodlight/infra/pull/26)
  > Merge into master from pull request #25: AIM: add wrappers for __attribute__ (https://github.com/floodlight/infra/pull/25)
  > Add aim_bitmap 512.
  > Merge into master from pull request #24: Always update the modulemake file by default. (https://github.com/floodlight/infra/pull/24)
  > Support flag maps. - Enumerations that are defined as flag bits can be registered as a flag map datatype. - Flagmap datatypes are displayed in the following format: 0x%.8x [f0,f1,f2...fn]
  > Merge into master from pull request #23: Support to check if two aim bitmaps have any intersecting bits. (https://github.com/floodlight/infra/pull/23)
  > Merge into master from pull request #21: modify log time format (https://github.com/floodlight/infra/pull/21)
  > Merge into master from pull request #22: Updates for use in shared libraries.  (https://github.com/floodlight/infra/pull/22)
update loxigen-artifacts

* submodules/loxigen-artifacts 541b6c3...a75dc82 (38):
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Merge into master from pull request #177:
Convert LOCI list iteration to of_object_t (https://github.com/floodlight/indigo/pull/177)