fixes #3059 - new mail rake task sends foreman reports to each user

fixes #2989 - missing fields in host API output (API v1 and v2)

Fixes #1848 - Link non-zero report summaries to the equivalent report search

fixes #2944 - nic type selection for libvirt

defaults to 'virtio'

I needed this in my own setup because virtio was being buggy and would
crash my apt mirror VM. switching to e1000 fixed.

I don't particularly care for the device models being hardcoded. I would...

fixes #2996 - VM show screen syntax error on ruby 1.8

fixes #1719 - Add support for GCE

fixes #1853 - Users now have a new filter to subscribe to new hostgroups

fixes #3046 - add NIC CRUD, power and boot operations API

fixes #2288 - Add oVirt/RHEV Quota Support

fixes #1871, #1879 - add VPC support to EC2 compute resource

Based on patch from Romain Vrignaud <romain@yakaz.com>