Description of problem:
When I wanted to launch RadioTray, it did'nt and showed an error message.

Version-Release number of selected component:
radiotray-0.7.1-3.fc18

Additional info:
cmdline:        /usr/bin/python /usr/bin/radiotray
executable:     /usr/bin/radiotray
kernel:         3.7.6-201.fc18.x86_64
uid:            1000

Truncated backtrace:
AudioPlayerGStreamer.py:44:__init__:ElementNotFoundError: playbin2

Traceback (most recent call last):
  File "/usr/bin/radiotray", line 15, in <module>
    radiotray.main(sys.argv[1:])
  File "/usr/lib/python2.7/site-packages/radiotray/radiotray.py", line 36, in main
    RadioTray()
  File "/usr/lib/python2.7/site-packages/radiotray/RadioTray.py", line 72, in __init__
    self.audio = AudioPlayerGStreamer(self.mediator, self.cfg_provider, eventManager)
  File "/usr/lib/python2.7/site-packages/radiotray/AudioPlayerGStreamer.py", line 44, in __init__
    self.player = gst.element_factory_make("playbin2", "player")
ElementNotFoundError: playbin2

Local variables in innermost frame:
eventManager: <radiotray.events.EventManager.EventManager instance at 0x2378680>
cfg_provider: <radiotray.XmlConfigProvider.XmlConfigProvider instance at 0x23785f0>
self: <radiotray.AudioPlayerGStreamer.AudioPlayerGStreamer instance at 0x2378b90>
mediator: <radiotray.StateMediator.StateMediator object at 0x236ee50>