Added study description fields to model
Added fields order in Study form to reflect their priorities
Added Study fields description as a help_text attribute
merge master
update model with new csv
added script and csv to generate model
fix in form
fixed model
moved scripts in new folder
added priorities to display fields in different tabs
added custom filter
Fixed nifti pair upload bug.
added grouping and updated priorities with fieldsets app
cleanup
Merge pull request #2 from schwarty/master

Study model update
removed get_dict causing errors
Refactoring: Study -> Collection
All metadata is optional.
Fixed a typo
Refactor: StatMap -> Image