Merge pull request #243 from paritytech/tbaut-bump-jest

Bump jest to 24.8.0

.gitignore

 yarn-error.log
+yarn.lock
 
 # NDK
 NDK/

package.json

@@ -47,7 +47,7 @@
     "babel-eslint": "^10.0.1",
     "babel-jest": "24.0.0",
     "babel-preset-react-native": "5.0.2",
-    "jest": "24.0.0",
+    "jest": "24.8.0",
     "jest-react-native": "^18.0.0",
     "pre-git": "^3.14.0",
     "prettier": "1.12.1",