Add Page Object Models
Handle advisor pre-qualification

All 3 questions must be answered "yes"
Load `pry-rails` in development and test env
Ensures `lib` is on the autoload path
Provides the basis for CSV import
Adds some sugar around mapping
Adds the basis of a simple `Firm` mapper
Bring it all together with a feature spec

* Introduces a basic feature spec to integrate all the parts
* Adds the `Lookup::Firm` model and associated migration
Adds a simple rake task for importing firms
Merge pull request #14 from moneyadviceservice/adviser-import

Provides simple importing for Firm CSVs
Add basics of admin contact mailer
Include email address in admin contact mailer
Spec gardening

* Replaces double quoted strings for consistency
* Use `is_expected` instead of the outdated `should`
* Change the `subject` and use `be_valid`
Changes terminology to match the story role
Introduces `Principal` scoped resource

This now matches the latest version of the 'Principal answers
pre-qualification questions' story.
Merge pull request #5 from moneyadviceservice/advisor-pre-qualification

Principal pre-qualification
Merge pull request #15 from moneyadviceservice/admin-contact-mailer

Add basics of admin contact mailer
Add yeast to the directory
Add constrained layout class
Clean up the header and footer partials