Fixes #9787 - correctly typecast default values

JSON and YAML default values were double typecasted, once by active
record and then by value_of_key method.

(cherry picked from commit a2468540b62942a2a9adfb428003d5308df7ab56)

Fixes #9827 - compute resource info in API doesn't send provider type

(cherry picked from commit 867db9522cd57175eb896b753c9d1de9ed2b41ea)

Fixes #9589 - Add documentation button to various models

(cherry picked from commit 8eed13de1dd3b4bc10e360427854041e236ae959)

Fixes #6454 - Display error message when user_data is needed but not set

(cherry picked from commit b99708ac7a1bb0e139505c2549c0f36fa5a65f83)

fixes #4424 - overriden attributes get overridden in the UI

(cherry picked from commit 0575b5b0a07c59c443bf2be663cb67d6a5e40f19)

i18n - extracting new, updating rails, pulling from tx

Fixes #9673 - treat YAML and JSON lookup keys as strings

(cherry picked from commit 25a7f806ed586bd32ee647f2acd8e5a0224cbbfb)

Fixes #9693 - Clarify bond identifier BSD info

(cherry picked from commit 38f4f118fd6e1a134f89e87326e210f803be0e92)

Fixes #9723 - missing owner_type in host api docs

(cherry picked from commit 55be35e9699765bb5fb137db518b06411be20939)

Fixes #9657 - merge NICs from compute profile in host create API

- updated api docs for hosts and interfaces
- host create/update api actions now merge interfaces from compute
profiles
- NIC type mapping extracted into a separate class
- return full host detail after host update...