Bump inigo, ifrit

Bump cloudfoundry-incubator/inigo:
  Ted Young:
     use new grouper OrderedGroup
Bump tedsuo/ifrit:
  tedsuo:
     Invoke calls Background under the hood
     tests for parallel
     hash processes by name, not member
     fixed a typo
     proxy tests
     Grouper v0.2
     proxy package initial check-in
Bump