add updated erd file. (#244)
db structure update.
added roles to test setup. (#244)
coord can manage Form, OptionSet, Question, Questioning, and Option for unlocked missions. (#244)
admin and coordinator cannot assign user to a locked mission. (#244)
admin cannot manage UserBatch for a locked mission. (#244)
coordinator cannot destroy user for a locked mission. (#244)
coordinator cannot manage (create, login instructions, change assignments) Users for a locked mission. (#244)
Staffer ability to manage Response for a locked ability. (#244)
Observer ability to manage Response for a locked Mission. (#244)
added lock icon to mission title. (#244)
typo correction. (#244)