code clean up:
-remove app.* files from library
-remove unused imports, code, files (Old search pages for results, dataproviders, map search page, etc)
-remove Freeguard from modules
-unsubscribe all subscriptions
-Services: configuration, isvocabularies, user management: unsubscribe from app component or the component that uses them (clearSubscriptions())
-Fetchers: unsubscribe from the component that uses them (clearSubscriptions())
git-svn-id: https://svn.driver.research-infrastructures.eu/driver/dnet40/modules/uoa-services-library/trunk/ng-openaire-library/src/app@59816 d315682c-612b-4755-9ff5-7f18f6832af3
1. result-preview.ts & resultLanding.service.ts & deletedByInference.service.ts: Add "icon" field in HostedByCollectedFrom interface.
2. availableOn.component.ts: Access mode icons set at parsing (not here).
3. result-preview.component.html: Add access mode icon & remove external link functionality for collected from (provider).
4. parsingFunctions.class.ts:
a. When instance.hostedby has no name (or "Unknown Repository" or "other resources") and no name from "source" found, set url (first 30 chars) as name.
b. Access mode icons set at parsing for HostedByCollectedFrom interface.
git-svn-id: https://svn.driver.research-infrastructures.eu/driver/dnet40/modules/uoa-services-library/trunk/ng-openaire-library/src/app@59038 d315682c-612b-4755-9ff5-7f18f6832af3
argiro.kokogiannaki
konstantina.galouni
k.triantafyllou