title: "found version 4, expected 3" error in angular-froala-wysiwyg
body: <p>I use <code>angular-froala-wysiwyg</code> in my project.</p>
  
  <p>My dependency configuration is:</p>
  
  <pre><code>{
      ...
      "angular-froala-wysiwyg": "^2.7.2-1",
      ...
  }
  </code></pre>
  
  <p>I have a dependenct, I am getting following error:</p>
  
  <p>I started to receive following error. I wasn't getting this error before: </p>
  
  <pre><code>[ERROR] Error: Metadata version mismatch for module /Users/halil/Projects/abonelik-sihirbazi/src/abonelik-sihirbazi-2/business-services/node_modules/angular-froala-wysiwyg/editor/editor.directive.d.ts, found version 4, expected 3
  [ERROR]     at StaticSymbolResolver.getModuleMetadata (/Users/halil/Projects/abonelik-sihirbazi/src/abonelik-sihirbazi-2/business-services/node_modules/@angular/compiler/bundles/compiler.umd.js:25590:34)
  [ERROR]     at StaticSymbolResolver._createSymbolsOf (/Users/halil/Projects/abonelik-sihirbazi/src/abonelik-sihirbazi-2/business-services/node_modules/@angular/compiler/bundles/compiler.umd.js:25378:46)
  [ERROR]     at StaticSymbolResolver.getSymbolsOf (/Users/halil/Projects/abonelik-sihirbazi/src/abonelik-sihirbazi-2/business-services/node_modules/@angular/compiler/bundles/compiler.umd.js:25359:14)
  </code></pre>