Create express-validator.d.ts
Merge pull request #1080 from axefrog/master

Create express-validator.d.ts
Override find functions in IAugmentedJQuery interface

Calling IAugmentedJQuery.find() returns variable of IAugmentedJQuery
type, instead of JQuery.
Merge pull request #1083 from apuchkov/master

Override find functions in IAugmentedJQuery interface