Updated background color for page header and footer
Removed expand/shrink functions for page header
Updated copyright date.
Merge branch 'master' of github.com:concord-consortium/lightweight-standalone
Allows interactives to take fullscreen [#46270945]
Updated MW logo and page header. Changed colors of footer.
Fixed overlap of session links and in-activity navigation menu
Merge branch 'master' of github.com:concord-consortium/lightweight-standalone
Corrected color and size issues with new MW logo