oc_erchef 0.29.4

Updated deps:

  meck
    2014-11-17 dac5b77 Ignore dialyzer PLT file
    2014-11-17 7fb5c61 Export missing type specification
    2014-11-17 df1f877 Add erts to dialyzer apps

  oc_chef_wm
    2014-11-17 b161690 Merge pull request #113 from opscode/mp/OC-11777
    2014-11-14 37887e4 local auth flag is expected as part of post body