title: Facebook sdk framework not found ios7, xcode5
body: <p>I am new to Facebook SDK with iOS. I want to send invitation to friends on Facebook for using my app for this I am using Facebook (developer.facebook.com)sdk api I have registered my app installed sdk and imported framework. After importing got error as,</p>
  
  <pre><code> ld: warning: directory not found for option '-  
   F/Users/vijaywebsolutions/Documents/FacebookSDK'
   ld: framework not found FacebookSDKkk
   clang: error: linker command failed with exit code 1 (use -v to see invocation)
  </code></pre>