Bug 1038395 - Build CTA landing page for learners / makers

<http://localhost:9006/from/firefox-2014/>
<http://localhost:9006/for/learners/>
<http://localhost:9006/for/mentors/>
Oooh! You’re right! From [mdn](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions_and_function_scope/Strict_mode) (of course) 'strict mode code can sometimes be made to run faster than identical code that's not strict mode.'

My only singular concern is that [ie9 doesn't support strict mode](https://kangax.github.io/compat-table/es5/#Strict_mode), and while we *technically* don't support ie9, @fuzzyfox (i think it was fuzzyfox) has pointed out that when you have a classroom/workshop/computer lab full of willing learners, you use whichever browser you have available to you. sometimes that's IE9.