From Romano José Magacho da Silva, added 'p' toggle to animation path

manipulator to allow animations to be paused and resumed.

Added frame rate stats which are output on each repetition of the path.

include/osgGA/AnimationPathManipulator

@@ -66,8 +66,14 @@ class OSGGA_EXPORT AnimationPathManipulator : public CameraManipulator
 
 	osg::ref_ptr<osg::AnimationPath> _animationPath;
         
-        double _timeOffset;
-        double _timeScale;
+        double  _timeOffset;
+        double  _timeScale;
+        double  _pauseTime;
+        bool    _isPaused;
+        
+        double  _realStartOfTimedPeriod;
+        double  _animStartOfTimedPeriod;
+        int     _numOfFramesSinceStartOfTimedPeriod;
 
 };