Add gemfile, so we can work locally with same Jekyll version than gh-pages. See: https://help.github.com/articles/using-jekyll-with-pages#installing-jekyll
Remove the double jquery. Update to latest version.
Mobile version tweaks: Hamburger navigation, better scrolling performance, cleaning up some old mess.
Fluidify layout. Tweak styles to be a bit more responsive.
Merge branch 'master' of https://github.com/turkuagileday/turkuagileday.github.com