Add the Ol Chiki script (Olck), add getLanguages(), and fix the tests

The tests were using languageData.languages, which was undefined.
This patch adds a method to get all the languages to be able to test.

package.json

@@ -10,8 +10,8 @@
     "l10n"
   ],
   "author": {
-     "name": "Santhosh Thottingal",
-     "email": "santhosh.thottingal@gmail.com"
+    "name": "Santhosh Thottingal",
+    "email": "santhosh.thottingal@gmail.com"
   },
   "contributors": [
     "Amir Aharoni",
@@ -29,13 +29,13 @@
     "url": "git://github.com/wikimedia/language-data.git"
   },
   "bugs": {
-    "url" : "http://github.com/wikimedia/language-data/issues"
+    "url": "http://github.com/wikimedia/language-data/issues"
   },
   "engine": {
     "node": ">=0.10.x"
   },
- "license": "(MIT OR GPL-2.0+)",
- "scripts": {
+  "license": "(MIT OR GPL-2.0+)",
+  "scripts": {
     "test": "mocha"
   }
 }