Merge pull request #9 from talalc/master

Bcrypt and rails-erd gems added
User migration, model, RSpec tests
users & session controllers & views
new user should be admin false
Merge pull request #10 from talalc/users

Users & Session Controllers & Views
Update README.md
Update README.md
Update README.md
Created job_applications table migration.
Merge pull request #11 from davidmccoy/add_job_applications_table

Created job_applications table migration.
Added job_application model and relationships.
Merge pull request #12 from davidmccoy/add_job_applications_model

Added job_application model and relationships.
Added job_application model validations.
Created job_application controller.
Renamed job_applications controller.
Created job_application tests.
Nested job_application routes. Added job_application views and layout nav partial.
Created new job_application controller, views.
Created edit job_application controller, views. Created form partial. Built out job_application index.
Created destroy job_application controller.