fixes #8735 - enable config drive on Rackspace servers

(cherry picked from commit 9f19765b1c81d7a96381e40f46e5e4c2b00f413c)

i18n - extracting new, updating rails, pulling from tx

fixes #8685 - include netmask in ENC output

(cherry picked from commit 66963aead88cfb8f8d5236af26dd12d3c153b6a8)

i18n - extracting new, updating rails, pulling from tx

fixes #8627 - add host comment field to API documentation

(cherry picked from commit 626e88b956182c216efb90d3c2ae7f10f6bcd4ac)

fixes #8591 - explicitly set where to subnets.id

(cherry picked from commit 395613b415d03bdf82c7a327abad4c9e46fdc99e)

fixes #8590 - handle missing 'config' when listing vSphere VMs

(cherry picked from commit fc94337014d175548746b16f2c70bb133de29497)

fixes #8592 - allow plug-ins to modify multiple hosts actions

Refactoring patern: Extract method.

(cherry picked from commit 4dcf38a5eec2845495a48bb11ca37a6565830dbb)

Fixes #8416 - Fix Puppet classes form n+1 queries

(cherry picked from commit c4f9aca6da11d2e37446fd0f60bcf515358e726e)

Fixes #8551 - use most specific matcher for inherited hostgroups

Host recieves correct smart_class_parameter value when multiple overrides for
inherited host groups exist for parameter.

(cherry picked from commit daf34ae7195fda204ff6c9afdec8f14e4ce4f795)