Pooja/Shruthi | #1897 | Renaming project_results view to submissions
Pooja/Shruthi | #1897 | separating out logic to create submission list for the web and export to excel
Pooja/Shruthi | #1897 | Cleaning up data_sender_helper. Making methods static
Pooja/Shruthi | #1897 | Moved out all the excel specific methods from SubmissionData