Merge pull request #2 from sharmilajesupaul/dev

Readme Edit
Merge pull request #3 from sharmilajesupaul/dev

bug fix: nil saved as username
Merge pull request #4 from sharmilajesupaul/dev

HOLY SHIT
Merge pull request #5 from sharmilajesupaul/dev

ajax form
changed bcrypt ruby to bcyrpt
Merge branch 'master' into dev
added spec files