improve copy of home and about page
heroku expects unicorn for production
* adding unicorn as a server
* removing thin
improve test coverage of entire app
* separate attach image proof spec and make it pass
* create guard groups for rails/specs
* email is never blank
* specs for User.create_with_omniauth
* specs for user.name_and_email
* use 'rails' parameter for coverage
* adding note and invalid factory for proof
* proof model specs
* proofs controller spec
* removing role spec
* unused local variable
* added specs for requirements_helper
* make redcarpet_html_renderer method private
* rename requirements spec, adding whitespace
* whitespace
improve copy of home page
Merge pull request #125 from akshatpradhan/procfile

heroku expects unicorn for production to increase response speed
Merge pull request #126 from akshatpradhan/improve-test-coverage

improve test coverage of entire app
user expects to see requirements broken down by pages
refactor pagination placeholder
include parent field in seeds
filter requirements loading by parent
adding requirements pagination by parent parameter
refactor paginate requirement route
user is redirected to /requirements/1 on sign in
fix manage requirements specs
use all requirements to render pie chart
user is redirected to /requirements with parent=1
redirect to correct parent on proofs create/update
refactor pagination placeholder
redirect to /requirements/1 on url /requirements
make pagination links active when page is active