Created User model with default values
Created a parent relation for Post model
Created a replies relation for posts
Added some scope to Post model
Finished some stage of adding User model and other stuff

It is not clean at all at this stage. However, It is already a lot of
stuff. finishing it off has to remain for later.
Added spork support in Gemfile
Added Guard to gem file
Added guard spork and rspec support
Added bin/ dir to .gitignore
Removed TODO file
Added TODO to gitignore so we could maintain our personal TODOs
Added unicorn gem and configurations
Set the Procfile for unicorn
Added Rack::Timeout to gems and config
Updated Rack::Timeout to use github gem
Merge branch 'feature-unicorn'

* feature-unicorn:
  Updated Rack::Timeout to use github gem
  Added Rack::Timeout to gems and config
  Set the Procfile for unicorn
  Added unicorn gem and configurations
Merge branch 'develop' into add-user-model

* develop:
  Updated Rack::Timeout to use github gem
  Added Rack::Timeout to gems and config
  Set the Procfile for unicorn
  Added unicorn gem and configurations
  Added TODO to gitignore so we could maintain our personal TODOs
  Removed TODO file
  Added bin/ dir to .gitignore
  Added guard spork and rspec support
  Added Guard to gem file
  Added spork support in Gemfile
Removed the ruby_gntp, as it wasn't working for me.

We should install the platform specific gems for the purpos of
notification on our own.
Finally found a solution for notifications
Fixed the version of Rack::Timeout