capability statment validation issues

[oliveregger]

see errors in validation:
https://ehealthsuisse.ihe-europe.net/evs/report.seam?oid=1.3.6.1.4.1.12559.11.25.4.843965

[qligier]

'html/json' and 'html/xml' are Frankenstein monsters, but they definitely are valid MIME types.