feat(activités): expose les méthodes pour modifier les métas (#702)

.gitignore

knex/migrations/20180521000007_metas_activites.js

knex/seeds/00-delete.js

knex/seeds/06-metas-activites.js

sources/activites-types--titres-types.json

src/api/graphql/resolvers.ts

src/api/graphql/resolvers/metas-activites.ts

src/api/graphql/resolvers/metas.ts

src/api/graphql/schemas/index.graphql

src/api/graphql/schemas/metas-activites.graphql

src/api/graphql/schemas/metas.graphql

src/business/processes/titres-activites-update.ts

src/database/models/activites-types--documents-types.ts

src/database/models/activites-types--pays.ts

src/database/models/activites-types--titres-types.ts

src/database/models/activites-types.ts

src/database/models/titres-types--activites-types.ts

src/database/queries/metas-activites.ts

src/database/queries/metas.ts

src/dev/database/activites-types-administration-update.ts