[WIP] My post of Jun'14

## :warning: WORK IN PROGRESS :warning: 

- [ ] Fix / add missing links
- [ ] Add missing images
- [ ] Ask someone to review (@matheusbras ?)
- [ ] Fix post date before publishing

Will close GH-164 after merging.

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This ended up being a HUGE post, does anyone think I should split it up?
Now when you visit `http://localhost:9000/#/rails`,

add comma