added controller and several attendee pages
add attendee_mailer and config files. Also added the view for the email.
add delayed_job gem and generated delayed_job:active_record
modify attendee_mailer.rb
Add letter_opener gem
Create text email template
Merge pull request #29 from CodeCoreYVR/mailer

Mailer
fixed the layout application html
Merge pull request #37 from CodeCoreYVR/a_and_a

Add logic for team images in team.yml
update branch
Merge pull request #38 from CodeCoreYVR/admin_n_else

update branch
Merging all black to index page
Merge pull request #39 from CodeCoreYVR/850PM_branch

Merging all black to index page
Added styling to Admin Pages
Merge pull request #40 from CodeCoreYVR/956PM_branch

Added styling to Admin Pages
Add team_photos partial, and css