Connect questions and surveys in models

* Survey has many questions
* Questions belong to survey
Update and correct database

* Add reference to survey to questions
* Change user_id_id to user_id
Allow basic creation and viewing of surveys

* Fix routes to prevent conflict with surveys and include create
* Add survey form partial with name input
* Render partial in new view
* Correct variable in show page
* Fill out surveys controller
Move link to layout as Formr/root_path
Remove requirement for content in questions

* Remove null: false / fix database
* Remove validation from model
Create, collect, and show questions

* Add questions and params to controller
* Add questions to form
* Pass questions from new into form
* Show questions to check for success
Attempt to further clean migrations/scheme
Refactor code for creating questions

* From two lines to one
Merge pull request #5 from CHJ-Metis/ha-survey-questions

Linking survey to questions
add answers model and linked it to questions
fixed database reference
created partials for answer.choice and creating an answer
fixed double _id in schema
deleted form partial

* partial will not be neeeded now that we understand how to created nested forms