1. login/userMiniModule.module.ts: Created UserMiniModule to import it wherever needed.
2. navigationBar.module.ts: use UserMiniModule.
3. userMini.component.ts: [For dashboard]: Add input variable 'colors' ('dark' on light background - 'light' on dark background) & add classes according to background & show user icon when no letters in user's name.
git-svn-id: https://svn.driver.research-infrastructures.eu/driver/dnet40/modules/uoa-services-library/trunk/ng-openaire-library/src/app@57881 d315682c-612b-4755-9ff5-7f18f6832af3
konstantina.galouni