Fix auth_token cookies issue.
Use `find_by` as Marcus said.
Fix Property seeding
Add / for showing a realestate list.
Add /:realestate & /:realestate/:id.

* /:realestate for listing properties.
* /:realestate/:id for showing a property.
Add Category - Property assoc on Category.
Add /:realestate/category/:id route.
Add views and controller for categories' property.
Merge pull request #19 from remanager/fix-auth-token-issue

Fix auth_token cookies issue.
Merge pull request #20 from remanager/database-seed-filler

Fix Property seeding
Add route /:realestate/search
Add search action on public controller.
Add `rails-erd` gem and update Vagrantfile.

* Vagrant now uses default sharedfolders. While not using guard, has better performance.
Merge branch 'develop'

* develop: (97 commits)
  Fix problem with Property associations.
  Add seeds for remaining models
  Fix tests to work with new factories.
  Add seeds for development environment.
  Add ffaker gem & update some factories.
  Creates a RealEstate association if created user is an Agent. Fixes #15 and #16.
  Add I18n to nav partial.
  Add I18n to user model and views
  Add I18n to Detail model and views
  Add I18n to Realestate model and views
  Add I18n to Category model and views
  Add I18n to Property model and views.
  Configure routes for I18n
  Add I18n to Town model and views
  Add prompt to role select on User form.
  Add agent permissions on User model.
  Remove back link from Realestate edit if not admin
  Add dashboard link to admin layout logo.
  Remove Agent's field from Realestate form
  Add hound configuration
  ...

Conflicts:
	Gemfile
	Gemfile.lock
	Vagrantfile
Add column `permalink` to `Category` model.
Autofill `permalink` before saving.
Add test & function for searching by category.
Fix Vagrant file. It might be corrupted merging master.
Add tests to find by details.
Add functionality to search by details.