removed warning for fundingStream queries
warning and location of the api in the prod infra
reformatted xml and new generated HTML
added link to the OpenAIRE helpdesk
#2630: informing that incremental harvesting is not supported and updated list of interesting OAI sets
OAI-PMH discards duplicates now
added schema 0.3 as the latest schema
#1062: OAI-PMH and HTTP numbers are not the same becuase of duplicates
Fixed documentation for publications
Overview cleanup
added links to the latest available schema and documentation
#690: HTTP API documentation for project and other updates.