Add MentorQuestionnaire Form View

[pratiktamang]

The questions to be presented to the mentors and db schema:

Question	Corresponding Database Field (model: field)
1. What's your name?	MentorQuestionnaire: name
2. Where do you work?	MentorQuestionnaire: company_url
3. Year you started programming in Ruby?	User: demographic_year_started_ruby
4. Country	User: country_code
5. City	User: city
6. Twitter	MentorQuestionnaire: twitter_handle
7. Github	MentorQuestionnaire: github_handle
8. Do you have a personal site?	MentorQuestionnaire: personal_site_url
9. Worked anywhere else?	MentorQuestionnaire: previous_workplaces
10. Have you done any mentoring before?	MentorQuestionnaire: has_mentored_before
11. Why are you doing this?	MentorQuestionnaire: mentoring_reason
12. Are you interested in mentoring on career advancement and professional development?	MentorQuestionnaire: preferred_style_career
13. Are you interested in mentoring on coding practices and technical skills?	MentorQuestionnaire: preferred_style_code
14. What languages do you speak?	UserLanguage: language_id and user_id

Subtasks

• [x] 1. Create form structure with basic inputs and includes nested form for user/respondent. PR
• [ ] 2. Add Languages as nested_form fields. PR
• [ ] 3. Add Country and City questions. Maybe needs a gem to geo code the long and lat?
• [x] 4. Migration to remove year_started_ruby from Mentor Questionnaire, already in user table as demographic_year_started_ruby PR
• [x] 5. Create MentorQuestionnaire controller. Make it functional where a user can successfully submit a new mentor questionnaire and write tests

[pratiktamang]

@andycroll Created this issue to organise the work on mentor questionnaire form. This should also help keep the PRs granular as we work through making it functional.