1. Input/OutputArray optimizations;

2. Algorithm::load/save added (moved from StatModel)
3. copyrights updated; added copyright/licensing info for ffmpeg
4. some warnings from Xcode 6.x are fixed

apps/traincascade/old_ml_inner_functions.cpp

@@ -82,7 +82,7 @@ void CvStatModel::load( const char* filename, const char* name )
 {
     CvFileStorage* fs = 0;
 
-    CV_FUNCNAME( "CvStatModel::load" );
+    CV_FUNCNAME( "CvAlgorithm::load" );
 
     __BEGIN__;