Fixes #8786 - Show override button after removing overridden parameter

After a parameter is overridden in a host or host group, if one wants to
revert the decision and return to the inherited parameter, it was
necessary to reload the page after clicking on remove. This commit...

fixes #6540, #8335 - Add error to vmware when no datacenter, save password when testing connection

(cherry picked from commit ebac69ceab851c6124d9fc167b3d58f8c559e1ae)

fixes #8638 - ensure that a redirect to hosts index after host destroy

(cherry picked from commit e29e550e8428a16276de9ac1f06efac9288eb361)

Fixes #7165 - Correct cursor behaviour on delete links for firefox

(cherry picked from commit fd94bf55b0f46adeea4a26e3a34dff3640a38e24)

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)