refactor patient add/edit into a single controller and form
Having a single controller and view, is better for clean code practices, since changes to the form/controller won't require two forms and controllers to be changed. So when the changes for the multi-patient form come in, we'll have less to do and a cleaner code-bade to work from. I also took the opportunity to build the from with divs rather than a table since we're going to need a more flexible layout when the time comes. Also less DOM nodes.
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