Remove best in place

This is quite a beast so give it a good look through and let me know if you put it on staging or something and want help beating on it.

* Breaks adoption form into partials
* Adds ruby-version file
* Random code clean up
* Adds content aware controller actions
* Removes best in place from Gemfile
* Adds RescueRails js namespace for shared functions
* Home grownish best in place function in RescueRails namespace.