Fix form control on sign up page. Fix #949
Merge pull request #953 from teamleada/mark-fix-firefox

Fix form control on sign up page. Fix #949
adding helper function to reset start date
refactored user model for project reset
updatinng the index view to include the finish time in hours
Merge branch 'master' into tristan_fix_reset_proj
adding the new partial for time remainign
use partial for time remaning
changing time remaining partial to use local var
Merge pull request #959 from teamleada/tristan_fix_reset_proj

Tristan fix reset proj
Change project submissions to be file_submission_contents
Add models for file_submission_contents and image + pdf + csv submissions
Rename code submissions to code submission contents
Rename code submission to code_submission_content
Change code submissions to be associated with project_submissions
Rename submissions to project_scores
Add evaluation models
Move code submission content + evaluation into correct folder
Move evaluation outside the evaluations folder
Annotate submission_cotnents models