Eliminate redundant roster link
Eliminate redundant roster link

+ We don't need a link to the roster when we're already on the roster page ...
+ ... if educator is logged in, we only need one on the "about" page
+ Bugfix via @marimuraki: https://github.com/codeforamerica/somerville-teacher-tool/issues/309#issuecomment-149632094

erose/studentinsights,jhilde/studentinsights,codeforamerica/somerville-teacher-tool,jhilde/studentinsights,studentinsights/studentinsights,studentinsights/studentinsights,jhilde/studentinsights,erose/studentinsights,codeforamerica/somerville-teacher-tool,erose/studentinsights,codeforamerica/somerville-teacher-tool,codeforamerica/somerville-teacher-tool,erose/studentinsights,studentinsights/studentinsights,jhilde/studentinsights,studentinsights/studentinsights