Merge pull request #23 from troubalex/master

Small fixes.
styled navbar, added 'register'-button
enabled Inga Aune as PT
added FAQ
typo
changed faq layout/style and added anchors in nav bar
added Caroline as PT
re-implemented PT modal
modal will now display hq-image on small screens
fixed anchors and removed unused code
fixed buttons and removed unused files
fixed markdown in readme
renamed 'script.js' to 'landing_page_controller.js'
changed text on sales page
added screenshot
added new hero image
style tweak
fixed anchor link
added jpeg and photo credits
style tweak