Merge pull request #424 from vaibhavcisin274/poonam

Poonam
expense/estimate/project conver to invoice (75%)complete
Merge branch 'master' of github.com:vaibhavcisin274/invoice-project
Work on CSS#23sep
remove conflicts in  CSS#23sep
Merge branch 'master' of github.com:vaibhavcisin274/invoice-project into prachi
Merge pull request #425 from vaibhavcisin274/poonam

Poonam
remove conflicts in product/index#23sep
Merge pull request #426 from vaibhavcisin274/prachi

Prachi
invoice convert to recurring functionality 23-sep
Merge pull request #427 from vaibhavcisin274/vaibhav

invoice convert to recurring functionality 23-sep
slove the issue of product status