fix(distribution): pass echint (#374)

* fix(distribution): pass echint

* feat(editorconfig): stop enforcing indents in md

- cache yarn in Travis config

Author: theetrain

.editorconfig

@@ -11,3 +11,4 @@ trim_trailing_whitespace = true
 
 [*.md]
 trim_trailing_whitespace = false
+indent_size = unset

.travis.yml

@@ -8,15 +8,16 @@ notifications:
 
 cache:
   bundler: true
+  yarn: true
   directories:
     - node_modules
 
 before_install:
   - rvm install 2.3.3
+  - npm install -g yarn
 install:
   - bundle install
-  - npm install -g yarn
-  - yarn install
+  - yarn
 
 before_script:
   - npm test