1. env-properties.ts: 'baseOpenaireLink' field added, which is base url for OpenAIRE portal.2. searchResult.ts: 'subjects' and 'englishname' fields added (used by dataproviders).3. searchDataproviders.service.ts: parse 'englishname'.
1. env-properties.ts: 'baseOpenaireLink' field added, which is base url for OpenAIRE portal.
2. searchResult.ts: 'subjects' and 'englishname' fields added (used by dataproviders).
3. searchDataproviders.service.ts: parse 'englishname'.