Create README.md

Added first-cut README
Merge branch 'master' of github.com:dhruvbaldawa/drophere
Added tests for drag overlay
Added ajax-based client tests
Added more ajax tests
Added tests for services
Fixed the service code to return errors
Added the valid file check on server-side also.
Added Makefile, Procfile and package.json
Update Makefile
Fixed a view bug for is_valid
Fixed Makefile for deploy
updated README
updated makefile and readme