add non_field_errors in rest-password and sign-up
fix bug that can't edit profile
fix: template not exist in publicity/modify, error when not supplying date & time in south_stadium/apply/
add start_date end_date check
add time check in south stadium
add time check in meeting room
add time check in student activity center
add time check in exhibit field
add time check in publicity field
add file type validation
add non_field_errors in application form template
fix time bug in south stadium and exhibition field. fix bug that applicant name error can't be presented
fix bug that chinese_name didn't check if it's unique
Merge branch 'develop' of github.com:doyoubi/field-application into fixbug