Change /oai2d to answer through normal http, not https

[llehtine]

https is not needed for oai2d-interface (as it is public data) and OAI-PMH standard requires http so that path needs to be changed to answer through http.

[llehtine]

With the test-environment it seems that the oai2d page is reporting, that the request is coming from HTTPS while it is infact coming from HTTP. Issue here is that it isn't actually checking the protocol, but it will check if the CFG_SITE_SECURE_URL or CFG_SITE_URL is set. So it will first give the SECURE-url if it's set. Going to patch it by changing the order of those variables in oai_repository_server.py

[llehtine]

Fixed with 2d1dc10