fixes #3925 - create apipie param_groups for API v2 to DRY documentation

fixes #3920 - prevent 500 ScopedSearch errors on the API, raise UI errors correctly

fixes #359 - hostname spoofing for unattended installation templates

fixes #3760 - API v2 define metadata @total for each controller

fixes #4023 - API v2 - compute resources partials should should attribute alias names and not database column names

fixes #3998 - API v2 error on /api/compute_resources, missing gce.json.rabl

fixes #4132 - helper select_f missing option for :multiple => true to increase width

fixes #3867 - Wrong Compute Resource type shown on overview

fixes #3940 - extlogout page layout fixed

fixes #2231 - hostgroup deletion is restricted to hostgroups without children