Merge pull request #262 from wardi/master

Fixes and tests: RSS, test settings, first functional test
JIRA 335 Link Openness Rating to page on Portal side
Merge remote-tracking branch 'upstream/master'
Merge pull request #263 from thriuin/master

JIRA 335 Link Openness Rating to page on Portal side
update no search results message
align search error message
dataset page: update dev corner api link