This is GNonLin 0.10.7 "Anything better ?"

Features of this release
    
      * GnlFileSource can use decodebin2 if the USE_DECODEBIN2 
env variable is set
      * Deadlock fixes for modifying GnlComposition


This is GNonLin 0.10.6, "Who stole my beard ?"

New GnlOperation element for using filters/effects in GnlComposition
Modification of GnlComposition internal structure for faster behaviour
Lots of fixes for complex compositions
Fixes for default sources
Many more unit tests
Code and documentation cleanups, more memory leaks fixes
