showdown.js moved to site so it can be removed from core
Merge pull request #5 from herby/showdown-js

showdown.js moved to site so it can be removed from core
Slightly bigger fonts
createPackage: with only one parameter at the beginning of .st

Recompile will fix `.js` files as well
(the existing parameter in `.js` does not make any harm,
but should be removed, eventually).
Switch to Open Sans for the tabs fonts (thanks to @cdlm)
Merge pull request #6 from herby/gh-384

createPackage: with only one parameter at the beginning of .st
Add some borders back to the teaser
More margin for the try button