Better use of user & profile factories
Killing the "profile" scope even deader
request_helpers.rb replaced with Factory usage
adding notification mailer and spec
Merge branch 'devel' of github.com:18F/myusa-server into feature/mail-branding
Merge branch 'feature/logo_url' of github.com:18F/myusa-server into feature/mail-branding
updating logo url name
constraining image to 60px
Merge branch 'devel' of github.com:18F/myusa-server into feature/mail-branding

Conflicts:
	app/views/doorkeeper/applications/_form.html.erb
Logging in from MyUSA marketing page redirects to app #352
Responsive spacing issues; section centering

Reduced the arrows in the steps and put them near the numbers.
This is instead of the big arrows. Centered the section with
the numbers using bootstrap columns.

Made the width of the login block constrained across different
screen resolutions, and used the bootstrap center-block option
to center it on the page.

Changes requested by @dutchashell
Merge pull request #362 from 18F/hotfix/marketing-page

Responsive spacing issues; section centering
Logging in from MyUSA marketing page redirects to app #352

Tests session is destroyed unless during redirect
Create UI for adding owners developers to application

Added owner_emails and developer_emails to model because we need to store plaintext record as well as associations to user model.
Remove unneeded <br>
Merge pull request #344 from 18F/feature/logo_url

Feature/logo url
- Removing css comments
- Adding integration test
- Changing alt tag
Merge branch 'devel' of github.com:18F/myusa-server into feature/mail-branding
Remove bootstrap column classes

These shouldn't have been in the PR and were missed.  Committing
this quick fix.
Merge pull request #365 from 18F/hotfix/html-for-logo-url

Remove bootstrap column classes for logo url field