1. angular.json: Update which schema is used according to angular7.
2. app.routing: Add related organizations routing.
3. pages/affiliations/: Add affiliations folder - affiliations files used by 'Related Organizations' page and 'Personal Info' page (curator).
4. curator.component: Use affiliations.component & hide messages when a change happens.
git-svn-id: https://svn.driver.research-infrastructures.eu/driver/dnet40/modules/uoa-admin-portal/trunk@56042 d315682c-612b-4755-9ff5-7f18f6832af3
k.triantafyllou
konstantina.galouni
argiro.kokogiannaki