create employer, began working
change navbar layouts, create new layouts for employer and applicant. Create new model company, references Employer => Company
del old layouts
app/models/account.rb  add new comment for method employer?
employers, part 1. Company Profile.
del old layouts
Refactoring code in the sessions_controller, action create:
1) created two method: find_account_by_email1 and require_active
2) and added, before_filter, new method (only create)
Application_controller -> action check_account_type => to be continued!

    Check account_type after create session
Restrict access to controllers on account_type (Employer or Applicant)

Create method check_account_type, require_account_type_employer, require_account_type_applicant
in the application_controller, for applicant/resumes_controller, applicant/profiles_controller and
employer/profile_companies_controller.