Merge branch 'vaibhav'
Merge branch 'master' of github.com:vaibhavcisin274/invoice-project
Merge branch 'master' of github.com:vaibhavcisin274/invoice-project
Merge branch 'master' of github.com:vaibhavcisin274/invoice-project
Merge branch 'master' of github.com:vaibhavcisin274/invoice-project
Merge branch 'master' of github.com:vaibhavcisin274/invoice-project
Merge branch 'master' of github.com:vaibhavcisin274/invoice-project
Merge pull request #339 from vaibhavcisin274/prachi

Prachi
Merge branch 'master' of github.com:vaibhavcisin274/invoice-project
improve sign and sign up page design
Merge pull request #340 from vaibhavcisin274/vaibhav

Vaibhav
flash message on sign in page
conflicts remove in /sessions/new.html.haml