Merge pull request #49 from wardi/master

Don't open links at top of page in new windows
fix for GCOD-555
fix for GCOD-567
Merge pull request #50 from deniszgonjanin/master

Accessibility issues
changes in support of accessibility recommendations
Merge pull request #51 from deniszgonjanin/master

changes in support of accessibility recommendations
put primay content block first in HTML