Added file downloading view with authentication
Merge pull request #73 from aismail/f/#52-file-downloading

F/#52 Added file downloading view with authentication
#70 Create core folder and base model form class
#70 Created tests directory and a stub for base model form test case
#70 Moved model tests in the tests directory and renamed to test_overview for now
Created subject form and a stub test case #70
Fixed import paths #70
#66 freezed versions in requirements.txt
#66 fixes previous commit by including all pip freeze output
Merge pull request #64 from aismail/f/#51-filter-submissions-by-assignment

F/#51 filter submissions by assignment
Test deploy readme modif.
Test deploy readme modif2.
Test deploy readme modif3.
Test deploy readme modif4.
Test deploy readme modif5.
Test deploy readme modif6.
Merge pull request #77 from aismail/b/#66-freeze-deps-versions

B/#66 freeze deps versions
#65 added validation and comments to Subject Model
Add an initial dump file, to start from it at deploy. #45
Move requirements.txt file to install/ folder. #45