announcements are now collapsible! fixes #2150
removed excess semicolon... close #2150
v2 of collapsing announcements - with Show/Hide All
slight tweaks to behavior and pre-JS css
fixed narrow annoucement overlap - fix #2081
fix edit/delete button overlap
fixed stupid oversight of floating show/hide links
Merge pull request #2267 from Stanford-Online/giulio-collapse-announcements-2150

Collapsible Announcements