Merge pull request #17 from ykalyani/master

added login page
minor refacting in footer and extra pages
Modified menubar for lecturer
Merge branch 'master' of https://github.com/SamTharani/SIL-Bridge
added industry-vacancy
lecturer part modified
Merge branch 'master' of https://github.com/SamTharani/SIL-Bridge
add menubar for industries
changes in industry
Fixed issue
renamed some files and arranged codes in proper standards
some modification in lecturer page