Made document viewer responsive
Removed old toolbar
Switch to correct icon
Merge pull request #3670 from nicolaasmatthijs/issue-3529

Made document viewer responsive
Set appropriate browser title from lhnav
Remove redundant setBrowserTitles
Merge pull request #3671 from nicolaasmatthijs/issue-3671

Inappropriate browser titles
Reform the user clip
Reform the group clip
Reform the content clip
Reform the discussion clips