update indigo
update indigo

* submodules/indigo 42e8274...25f27e9 (5):
  > Merge into master from pull request #128: locitest: remove duplicate unit test code (https://github.com/floodlight/indigo/pull/128)
  > Merge into master from pull request #126: Added OF_BSN_IMAGE_DESC_STATS_REQUEST to experimenter handler (https://github.com/floodlight/indigo/pull/126)
  > Merge into master from pull request #127: run_setup_from_add_tests() has been removed from locitest. (https://github.com/floodlight/indigo/pull/127)
  > Merge into master from pull request #124: remove IP mask map message handlers (https://github.com/floodlight/indigo/pull/124)
  > Merge into master from pull request #125: OFConnectionManager: fix permissions check for group-mod messages (https://github.com/floodlight/indigo/pull/125)

floodlight/ivs,vezril/ivs,vezril/ivs,floodlight/ivs,vezril/ivs,floodlight/ivs