Merge pull request #231 from deniszgonjanin/master

Fixes for passing validation and accessibility requirements
Add button to search page to link to suggested datasets
Merge pull request #232 from thriuin/master

JIRA GCOD-342 Add button to search results page
Fix problem with link in header
Merge pull request #233 from thriuin/master

Small fix to Open Data header
Live rating and comments for dataset view page
Merge pull request #234 from thriuin/master

Live rating and comments for dataset view
Add alt labels to the rating images
Merge remote-tracking branch 'upstream/master'
Merge pull request #235 from thriuin/master

Add alt labels to the rating images
JIRA-335: Add a link to the W3C Openness rating
Merge pull request #237 from thriuin/master

JIRA-335: Add a link to the W3C Openness rating
custom solr schema & dictionary index manipulation