Moves runtime dependency out of devDependencies

Author: cspotcode

package.json

@@ -30,10 +30,12 @@
     "test": "GITLOGG_DEV=1 ./gitlogg/gitlogg.sh ./",
     "prepublish": "npm run build"
   },
+  "dependencies": {
+    "chalk": "^1.1.3"
+  },
   "devDependencies": {
     "babel-cli": "^6.18.0",
     "babel-preset-es2015": "^6.9.0",
-    "chalk": "^1.1.3",
     "source-map-support": "^0.4.6"
   },
   "engines": {