docs(tutorial): enlarge clickable area of tutorial nav buttons
docs(tutorial): enlarge clickable area of tutorial nav buttons

Change position of <a> and <li> tags in tutorial nav buttons
partial. This allows the full area of the button to be clicked
rather than just the text.

Closes #5074
Closes #5209

ggershoni/angular.js,ggershoni/angular.js,ggershoni/angular.js,ggershoni/angular.js