CLI create integration testing (#114)

integration testing of bin/cli.js with module name

with and without the `--view` option

using `recursive-readdir` (with sorting) & `fs.readFileSync()`
to get the contents of the generated library module artifacts

with the generated artifacts ignored as specified in `.gitignore`

Author: Chris Brody

.gitignore

@@ -32,3 +32,6 @@ npm-debug.log
 .stryker-tmp
 reports
 stryker.log
+
+# CLI create integration test output to be ignored
+react-native-integration-*

package.json

@@ -61,6 +61,7 @@
     "eslint-plugin-node": "^9.2.0",
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-standard": "^4.0.1",
-    "jest": "^24.9.0"
+    "jest": "^24.9.0",
+    "recursive-readdir": "^2.2.2"
   }
 }