Update safe_yaml
Specify ruby version in Gemfile for Heroku

To get 1.9.3 instead of 2.0.0 in Heroku specify the version in Gemfile.
The app is not yet tested in 2.0.0.
Add Heroku environment
Mongoid configs for Heroku
dos2unix on app/helpers/application_helper.rb
Dev login works on Heroku
Seeding Heroku environment with development
Heroku email delivery with mailtrap
Remove manual wkhtmltopdf path from heroku
Upgrade wicked_pdf

Upgrade the gem with the hopes that it will make it work on Heroku.
Fix delivery of alliance confirmations
Add Airbrake to debug exceptions

Connect Airbrake to catch exceptions on Heroku.
Merge remote-tracking branch 'heroku/master'
Function made visible to views
Added a test user with no phone
Phone number collection

When a user with improper phone number is applying for a position in
Helsinki university, a dialog opens up which allows the the to edit
their phone number before moving on to the application dialog.