2.30.2:
* Movie Player:
  - Fix huge window height when hiding then showing controls again
  - Fix slight resize when showing the sidebar for the first time
  - Fix possible crash when loading PytGTK
  - Fix loading OSD icons when there's no SVG versions

* Browser Plugin:
  - Fix volume being at zero when starting playback
  - Fix use of URL parameter for the Window Media Player
    compatibility plugin
  - Fix position on End-Of-Stream when using the QuickTime
    compatibility plugin

* GStreamer backend:
  - Try not to block the UI when seeking
  - Fix constant buffering when playing live streams