[refs #135] Add circle.yml for CI testing.

.gitignore

@@ -3,3 +3,4 @@ example.html
 *.gz
 node_modules/
 bower_components/
+test/*.css

circle.yml

@@ -0,0 +1,16 @@
+machine:
+  node:
+    version: 4.4.7
+  ruby:
+    version: 2.3.1
+dependencies:
+  pre:
+    - npm install npm -g
+    - gem install sass true
+    - npm install
+test:
+  override:
+    - sass example.main.scss test/example.main.css
+    - true-cli test/tests.scss
+    - node-sass example.main.scss -o test/
+    - npm test

test/tests.scss

@@ -0,0 +1,4 @@
+// To run Ruby Sass Tests, we need to import all the test spec files here
+@import '_tools.font-size.scss';
+@import '_tools.rem.scss';
+@import '_utilities.widths.scss';