updated active navbar link styling - mef/communities#412
ported js styling to css mef/communities#412
mef/communities#413 - border left for key communities
mef/communities#413 - removed border left for key communities
mef/communities#414 - footer grey re-added
Merge branch '0.7.5-wip' into 0.8.0-wip

Conflicts:
	dist/css/bootstrap.css
	dist/css/bootstrap.css.map
	dist/css/bootstrap.min.css
	less/tribalytics.less