Adding a link for exporting events.
Assert an absolute position to the iCal link.
Change the padding top.
Adding link to the iCal in the event page.
Hide the link in the floating box.
Merge branch 'SCHOLAR-3.x' into 2672-links.
Fix merge comflicts
Merge pull request #2950 from openscholar/2672-links

Adding a link for exporting events.