added fb signin
added twitter sign in fucntionality
added signin with google
more addition
Merge pull request #8 from sourabhgupta90/master

delete node module
changed public/libs to public/lib in bowerrc file
added node_modules to gitignore
merged authentication changes to techhack
Merge branch 'dpk22dev-master'
ui working of organization module
link frontend part of controller
first ajax request