title: Have long time to get metadata about 5 minutes during send play a track function
body: <p>We get application key by spotify premium acccount,and build example jukebox to test playtrack such as ./playtrack -u XXX -p YYY,listen the music about 5 minutes after send the cmd.</p>
  
  <p>log first time:
  ./playtrack -u XXX -p YYY</p>
  
  <p>05:41:21.742 I [offline_authorizer.cpp:297] Unable to login offline: no such user</p>
  
  <p>05:41:21.751 I [ap:1752] Connecting to AP ap.spotify.com:4070</p>
  
  <p>05:41:21.912 I [ap:1226] Connected to AP: 194.68.28.68:4070</p>
  
  <p>05:41:22.650 I [user_cache:135] UserCache::initiateGetUsers() will query for 1 users</p>
  
  <p>Loading track</p>
  
  <p>Metadata updated, trying to start playback</p>
  
  <p>Now playing "Harder Better Faster Stronger"...</p>
  
  <p>05:46:24.632 I [file_streamer_simple.cpp:769] Request for file 4543d5422ace7b22147db4e793ff3aa1c22c24f2 complete (code: 0)</p>
  
  <p>05:46:25.693 I [file_streamer_simple.cpp:769] Request for file 4543d5422ace7b22147db4e793ff3aa1c22c24f2 complete (code: 0)</p>
  
  <p>second time:
  ./playtrack -u XXX -p YYY</p>
  
  <p>05:48:21.974 I [ap:1752] Connecting to AP ap.spotify.com:4070</p>
  
  <p>Loading track</p>
  
  <p>05:48:22.135 I [ap:1226] Connected to AP: 194.68.29.22:4070</p>
  
  <p>Metadata updated, trying to start playback</p>
  
  <p>Now playing "Harder Better Faster Stronger"...</p>
  
  <p>05:53:24.632 I [file_streamer_simple.cpp:769] Request for file</p>