Add mini_magick gem and dependencies
Add responsive images plugin
Add default configuration
Move source image data, switch to picture liquid tag
Update gems
Change subheader
Merge pull request #1 from fooforge/responsive-images

Responsive images
Start drafting the post about the sailing trip
Extend the sailing trip post
Extend the sailing trip post
Extend the sailing trip post
Extend the sailing trip post
Extend the sailing trip post
Extend the sailing trip post
Extend the sailing trip post
Extend the sailing trip post
Extend the sailing trip post
Extend the sailing trip post
Extend the sailing trip post
Add @rubiojr's GPS tracking information for the sailing trip