update docs

Author: ShMcK

_posts/tutorial-docs/2016-01-02-coderoad-api.md

@@ -42,6 +42,7 @@ Defaults for loading tests are specified in the tutorial *package.json* file.
 ```json
 {
   "config": {
+    "language": "JS",
     "dir": "tutorial",
     "testSuffix": ".spec.js",
     "runner": "mocha-coderoad"

_posts/tutorial-docs/2016-01-03-tests.md

@@ -35,7 +35,7 @@ it('isn\'t a function')
 Use a **loader** to run the user saved file in the context of your file. Think of a loader as a way to place the file your testing inside of your test file. Loaders are written as comments.
 
 ```js
-// load('user-file.js')
+/// load('user-file.js')
 ```
 
 *Note: When using spies, stubs or mocks, initiate them above your loader call.*
@@ -55,10 +55,10 @@ var data = 42;
 
 *test.spec.js*
 ```
-// load('data/file.js', true)
-// load('user-file.js')
+/// load('data/file.js', true)
+/// load('user-file.js')
 
-// tests here
+/* tests here */
 ```
 
 Users can access global data by name in their file.

_posts/tutorial-docs/2016-01-04-loaders.md

@@ -10,7 +10,7 @@ Loaders are hidden behind comments, which may differ based on the programming la
 
 ##### JavaScript / TypeScript / JSX
 
-`// load('file.js')`
+`/// load('file.js')`
 
 ##### Python
 `# load('file.py')`

_posts/tutorial-docs/2016-01-07-config.md

@@ -10,16 +10,21 @@ CodeRoad tutorial configurations can be set in the *package.json* config.
 ```json
 {
   "config": {
-      "dir": "tutorial",
-      "testSuffix": ".spec.js",
-      "runner": "mocha-coderoad",
-      "edit": true
+    "language": "JS",
+    "dir": "tutorial",
+    "testSuffix": ".spec.js",
+    "runner": "mocha-coderoad",
+    "edit": true
   }
 }
 ```
 
 This section will likely expand in the future. For now, let's go over some of the configurations.
 
+#### language
+
+The programming language being used (for example: "JS", "Python", etc.)
+
 #### dir
 
 The relative path to the unit test directory (from your tutorial directory). This makes writing unit tests paths easier.

_sass/_custom.scss

@@ -19,7 +19,7 @@ a.smooth:hover {
 
 .doc-contents {
   padding: 20px 50px;
-  background-color: _palette(border-bg);
+  background-color: rgba(27,43,52, 0.05);
   border-radius: 3px;
   margin: 0 auto;
   max-width: 400px;