Merge branch 'change_GraphQL' into fix_rlc

.env_dist

.eslintrc.json

.gitignore

Dockerfile

README.md

assets/LDAPGroup.png

assets/LDAPUseCase.PNG

assets/LDAPUser.png

assets/LDAP_API.png

db/knex_router.ts

db/knexfile.js

db/migrations/20190202114345_create_announcements_authors.js

...rations/20190202114346_create_announcements_recipients.js

db/migrations/20190202114347_create_events_authors.js

db/migrations/20190202114348_create_events_recipients.js

ldap_config.json

ldap_credentials_dist.json

notes/CONTRIBUTING.md

notes/hist.json

notes/hist.md