title: Unable to start ios-sim on Yosemite
body: <p>I have been unable to get ios-sim to start on a relatively clean isntall of Yosemite, Xcode 6 beta and Developer Tools 10.10.</p>
  
  <pre><code>MacOS $ ios-sim start
  2014-06-10 20:34:39.578 ios-sim[4957:836370] -[__NSArrayM localizedDescription]: unrecognized selector sent to instance 0x7fbc18f00380
  2014-06-10 20:34:39.579 ios-sim[4957:836370] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSArrayM localizedDescription]: unrecognized selector sent to instance 0x7fbc18f00380'
  *** First throw call stack:
  (
      0   CoreFoundation                      0x00007fff8e4e914c __exceptionPreprocess + 172
      1   libobjc.A.dylib                     0x00007fff9108257d objc_exception_throw + 43
      2   CoreFoundation                      0x00007fff8e4ec07d -[NSObject(NSObject) doesNotRecognizeSelector:] + 205
      3   CoreFoundation                      0x00007fff8e435604 ___forwarding___ + 1028
      4   CoreFoundation                      0x00007fff8e435178 _CF_forwarding_prep_0 + 120
      5   ios-sim                             0x0000000103e166cd -[iPhoneSimulator LoadSimulatorFramework:] + 245
      6   ios-sim                             0x0000000103e18233 -[iPhoneSimulator runWithArgc:argv:] + 2317
      7   ios-sim                             0x0000000103e185f5 main + 101
      8   ios-sim                             0x0000000103e16588 start + 52
  )
  libc++abi.dylib: terminating with uncaught exception of type NSException
  Abort trap: 6
  </code></pre>