adds jobs mdel and controller, creates jobs table
adds new jobs form
changes header in layout so it renders the correct one for employers and a different for students
adds logic to layout, removes render header, adds link to jobs in student navs
fixes auths for jobs#edit, jobs#new now students can't post or modify, fixes layout now emloyer layout yields too
 fixes typo before yield
registration controller for devise to correctly save and redirect employers, employer profile form started
rsolves merge confl in master