update loxigen-artifacts

* submodules/loxigen-artifacts 60b6e39...c4933b5 (17):
  > Artifacts from https://github.com/floodlight/loxigen/compare/7b7c3619cf68d3654b301cc92efd4341cddfe323...c8f68f067a7e49da5a1dd512456a089d626c3c27
  > Artifacts from https://github.com/floodlight/loxigen/compare/b082bcd13a0bb8270df593d3ae468b95450a55a5...7b7c3619cf68d3654b301cc92efd4341cddfe323
  > Artifacts from https://github.com/floodlight/loxigen/compare/ed09bfe4d391f4dbddffa36746b218ed3f5682c1...b082bcd13a0bb8270df593d3ae468b95450a55a5
  > Artifacts from https://github.com/floodlight/loxigen/compare/047e9c12739e1f63e11de602cf789295e9c4b3f2...ed09bfe4d391f4dbddffa36746b218ed3f5682c1
  > Artifacts from https://github.com/floodlight/loxigen/compare/030f41af9db21215b4f043a1d159bd474a6e5645...047e9c12739e1f63e11de602cf789295e9c4b3f2
  > Artifacts from https://github.com/floodlight/loxigen/compare/58a783110072c8a8cbc0d580d8f8dffcb71e8bfa...030f41af9db21215b4f043a1d159bd474a6e5645
  > Artifacts from https://github.com/floodlight/loxigen/compare/4087b17e3477cbc9d010d8f78f80cbff0b083882...58a783110072c8a8cbc0d580d8f8dffcb71e8bfa
  > Artifacts from https://github.com/floodlight/loxigen/compare/415d879292453a18b6080c75da2e2975b4513d2e...4087b17e3477cbc9d010d8f78f80cbff0b083882
  > Artifacts from https://github.com/floodlight/loxigen/compare/8dcf8a2618adfd827a20169c34401ed04a25d383...415d879292453a18b6080c75da2e2975b4513d2e
  > Artifacts from https://github.com/floodlight/loxigen/compare/1d8819a23e3decd195baa2d0306e9d887b17a50f...8dcf8a2618adfd827a20169c34401ed04a25d383
  > Artifacts from https://github.com/floodlight/loxigen/compare/f8bbbe2cfa971fc38dbbd49ec09bbf149bed4685...1d8819a23e3decd195baa2d0306e9d887b17a50f
  > Artifacts from https://github.com/floodlight/loxigen/compare/a5f488a034bcf3815716be675e071c87f3e7973b...f8bbbe2cfa971fc38dbbd49ec09bbf149bed4685
  > Artifacts from https://github.com/floodlight/loxigen/compare/43ee9a83c29119ee84931bb85275eeda07cf2f75...a5f488a034bcf3815716be675e071c87f3e7973b
  > Artifacts from https://github.com/floodlight/loxigen/compare/c77bebf074d5737483a133962725a8181ffdd2b8...43ee9a83c29119ee84931bb85275eeda07cf2f75
  > Artifacts from https://github.com/floodlight/loxigen/compare/feffbeb20c838ffeba38c71daec4d834cfb37900...c77bebf074d5737483a133962725a8181ffdd2b8
  > Artifacts from https://github.com/floodlight/loxigen/compare/c14212426540c182ce50cf707d8440b077fe805c...feffbeb20c838ffeba38c71daec4d834cfb37900
  > Artifacts from https://github.com/floodlight/loxigen/compare/ffc28e6e06a516230942239b83f33b5d28a3a0f1...c14212426540c182ce50cf707d8440b077fe805c
OFStateManager: fix of_bsn_table_set_buckets_size table_id type
Merge into master from pull request #146:
update indigo to latest loci (https://github.com/floodlight/indigo/pull/146)