Cabrio fix + new features 

Version from "Livemamecab" https://github.com/fredbcode/livemamecab

- Fix ffmpeg problem, should works with libavcodec53/54/55 fixed by f.dorin
- New option "video loop" for snap
- New option "video sound" for snap
- New option "theme sound" music theme onf/off
- New option "theme sound" volume (1 min -> 128 Max)  
- New option direct switch to list 
- New option hide buttons 
- Save selection game at cabrio start 

New options:

<video-loop>false/true</video-loop>
<video-sound>false/true</video-sound> 
<theme-sound>false/true</theme-sound>
<music-volume>50</music-volume>
<hide-buttons>false/true</hide-buttons>

Put your music here /usr/share/cabrio/sounds/music.mp3

Option direct list:
Example: keyboard touch "a" to directly switch to the first list and "b" for the second (max 5 lists)
<event>
<name>list1</name>
<value>a</value>
<device>
  <type>keyboard</type>
  <id>0</id>
</device>
</event>
<event>
<name>list2</name>
<value>b</value>
<device>
  <type>keyboard</type>
  <id>0</id>
</device>
</event>