Bug #1275 - Group Profile: Posts, Comments, Docs, Discussion activity
doesn't display for private groups
Bug #1274 - Group Profile: Request membership link in right-hand nav
Bug #1145 - In Groups > Discussions, add gray to alternating rows of
topics table

Adjusting color to match sidebar gray
Bug #1273 - Group Profile: "Accept Invitation" link is plain text
Spacing commit
Bug #1271 - OpenLab footer not styled properly for associated group sites

Fixed this by moving the footer styles and all related assets to
mu-plugins; footer styles are now integrated with openlab-toolbar.less

FYI: this also involved having to add some additional "manual bootstrap"
styles for the admin and site pages that do not directly apply bootstrap
Bug #1270 - Group Profile: Group Material heading differs from comps
Bug #1269 - Courses directory: issue with course info text, i.e. empty
pipes problem

Resolved by parsing course data into separate function that uses implode
to apply pipes
Spacing commit
Bug #1268 - Courses directory: Semester contains extra n-dash
Bug #1267 - Group Creation: Text should not appear under "Site Details"
Bug #1262 - Homepage: New OL Members box - arrows don't scroll properly
Bug #1261 - Homepage: Who's Online Avatar rollover displays an extra
character
Bug #1260 - User Profile Page: Display name not aligned properly with
avatar
Bug #1224 - browser bug: in IE, persistent search field has slight overlap