'use strict' instead of 'use string'

Author: rajatscode

src/lib/AppAuthToken.js

@@ -4,7 +4,7 @@
  * A thin wrapper over the react-native-simple-store
  *
  */
-'use string';
+'use strict';
 /**
  * ## Imports
  * 

src/lib/Backend.js

@@ -4,7 +4,7 @@
  * Abstract Base class for Backend support
  *
  */
-'use string';
+'use strict';
 /**
  * ## Async support
  * 

src/lib/BackendFactory.js

@@ -5,7 +5,7 @@
  * see [https://parse.com/docs/rest/guide](https://parse.com/docs/rest/guide)
  *
  */
-'use string';
+'use strict';
 
 import CONFIG from './config';
 import Parse from './Parse';

src/lib/Hapi.js

@@ -5,7 +5,7 @@
  * see [https://parse.com/docs/rest/guide](https://parse.com/docs/rest/guide)
  *
  */
-'use string';
+'use strict';
 /**
  * ## Async support
  * 

src/lib/Parse.js

@@ -5,7 +5,7 @@
  * see [https://parse.com/docs/rest/guide](https://parse.com/docs/rest/guide)
  *
  */
-'use string';
+'use strict';
 /**
  * ## Async support
  * 

src/lib/__mocks__/BackendFactory.js

@@ -5,7 +5,7 @@
  * see [https://parse.com/docs/rest/guide](https://parse.com/docs/rest/guide)
  *
  */
-'use string';
+'use strict';
 
 
 const backend = require('./Backend').default;