Solve some fringe issues for OSX.

SABnzbd.py

@@ -1703,7 +1703,11 @@ def main():
     sys.stdout.flush()
     sabnzbd.pid_file()
     if getattr(sys, 'frozen', None) == 'macosx_app':
+        try:
             AppHelper.stopEventLoop()
+        except:
+            # Failing AppHelper libary!
+            os._exit(0)
     else:
         growler.send_notification('SABnzbd',T('SABnzbd shutdown finished'), 'startup')
         os._exit(0)

package.py

@@ -462,7 +462,7 @@ if target == 'app':
     else:
         print 'No SHARE variable set, build result not copied'
 
-    if OSX_ML:
+    if OSX_ML and dest_path:
         print 'Create src %s' % fileOSr
         delete_files(fileOSr)
         os.system('tar -czf "%s" --exclude ".git*" --exclude "sab*.zip" --exclude "SAB*.tar.gz" --exclude "*.cmd" --exclude "*.pyc" '