Add Filters in react app

hypha/apply/api/v1/filters.py

hypha/apply/api/v1/urls.py

hypha/apply/api/v1/views.py

hypha/static_src/src/app/src/AllSubmissionsApp.js

hypha/static_src/src/app/src/SubmissionsByRoundApp.js

hypha/static_src/src/app/src/SubmissionsByStatusApp.js

hypha/static_src/src/app/src/SwitcherApp.js

hypha/static_src/src/app/src/api/index.js

hypha/static_src/src/app/src/api/submissions.js

...src/src/app/src/common/components/FilterDropDown/index.js

...static_src/src/app/src/components/GroupedListing/index.js

...tic_src/src/app/src/components/GroupedListing/styles.scss

hypha/static_src/src/app/src/containers/ByRoundListing.js

hypha/static_src/src/app/src/containers/ByStatusListing.js

...tatic_src/src/app/src/containers/ScreeningStatus/sagas.js

...c_src/src/app/src/containers/SubmissionFilters/actions.js

...src/src/app/src/containers/SubmissionFilters/constants.js

...tic_src/src/app/src/containers/SubmissionFilters/index.js

...ic_src/src/app/src/containers/SubmissionFilters/models.js

...c_src/src/app/src/containers/SubmissionFilters/reducer.js