rassify CONTRIBUTING + typos/minor stuff

.eslintrc.json

CONTRIBUTING.md

db/migrations_v1/20180225001319_create_groups.js

db/migrations_v1/20180302130024_create_messages.js

db/migrations_v1/20180302152113_requests.js

db/migrations_v1/20180303192411_create_metaGroups.js

db/migrations_v1/20180304154225_group_type_column.js

db/migrations_v1/20180305111321_metaGroup_member_table.js

db/migrations_v1/20180307213043_fixes_and_messages.js

db/migrations_v1/20180309145434_supervision.js

db/migrations_v1/20180316003119_create_posts.js

...grations_v1/20180413024152_new_group_message_relations.js

db/migrations_v1/20180415160405_message_types.js

db/migrations_v1/20180530182824_drop_reciepient_column.js

db/migrations_v1/20180530191430_fix_spelling_recieve.js

db/migrations_v1/20180831165621_question_for_answer.js

db/seeds_v1/01_create_groups.js

db/seeds_v1/02_make_metagroups.js

db/seeds_v1/03_make_requests.js

db/seeds_v1/04_make_posts.js