Yogesh || Refactored to make rest compatible api for submission
Yogesh || Removed unused code.
 Removed submission delay, to be fixed when dcs common code will be moved to DW modules
Yogesh || removed unused url patterns
Yogesh || Refactored the DW specific urls to begin with xlsform and refactored view method names to be more meaningful
Yogesh || Separated dcs-app api into submodule.
Submission to contain hardcoded version(to be replaced with doc version)