Merge pull request #39 from edx/fix/marco/studio-latex-compiler

hides latex compiler in settings tab by making previously specific css s...

cms/static/sass/views/_unit.scss

@@ -962,6 +962,6 @@ body.unit {
 }
 
 //  hides latex compiler button if settings mode is-active
-div.wrapper-comp-editor.is-inactive + div.launch-latex-compiler{
+div.wrapper-comp-editor.is-inactive ~ div.launch-latex-compiler{
  display: none;
 }