Changed the default field of Y to 45 degrees, as this is probably a better

default than 30 degrees (what it was temproarily) or the 90 degrees that
it was originally.

src/osg/Camera.cpp

@@ -14,7 +14,7 @@ Camera::Camera()
     _adjustAspectRatioMode = ADJUST_HORIZONTAL;
 
     // projection details.
-    setPerspective(30,1.0,1.0,1000.0);
+    setPerspective(45.0,1.0,1.0,1000.0);
         
     // look at details.
     _lookAtType =USE_HOME_POSITON;