do not require autoprefixer-rails
rake convert
update bower:generate task
rake convert
converter: fetch from raw.githubusercontent.com
converter: improve cache
rake convert
bump to v3.2.0.0
Update CHANGELOG.md
refs #647
converter: network
rake convert
Fix typo in readme

These are needed to avoid the following error:

```
Invalid CSS after "...trap-sprockets"": expected selector or at-rule, was "@import "bootst..."
  (in /Users/zacharyadams/Dropbox/launchacademy/food_trucks/app/assets/stylesheets/application.css.scss:2)
```
Merge pull request #652 from ZacharyAdams/master

Fix typo in readme
readme: sass -> scss (beginner-friendly) [ci skip]
converter: icon-font-path
rake convert
add sache.json #657
$icon-font-path fallback to relative for pure Sass

Refs #650 #662
Merge branch 'pr-662'