Log Message:
update to 0.5.7
changes:
* Restored disabling of VO deinterlacer when there are active
  deinterlacer plugins. I finally realised what was missing...
* Added names to some windows for use in ~/.gxine/gtkrc: video,
  fs_toolbar, wm_toolbar.
* Added a few name attributes to the toolbar XML and some example style
  info (commented out) to the default gtkrc for the full-screen toolbar.
* When determining a default MRL title, resolve symbolic links.
* Prevent text insertion before the system-wide startup script.
* A couple of Undo shortcuts got missed in 0.5.6.
* Fixed some problems with switching to/from full-screen.
* Fixed a startup bug in the window size submenu. (Bug 1487691)
* Fixed a bug which prevented the video window from being shrunk.
  (Ubuntu bug 46403)
* Fixed a problem with update of the window size menu.
* Hopefully fixed a Javascript crash-on-start bug. (Bug 1482697)
* Added a watchdog which will abort gxine if it hangs for 30s.
  (Disabled by default.)
* Italian translation from Diego Petten<C3><B2>.
* Build fixes for autoconf 2.59c and later.