Converted the instances of const built in types being returned from methods

and passed as paramters into straight forward non const built in types,
i.e. const bool foogbar(const int) becomes bool foobar(int).

include/osgParticle/ParticleSystem

@@ -148,7 +148,7 @@ namespace osgParticle
 
         ParticleSystem &operator=(const ParticleSystem &) { return *this; }
 
-        inline virtual const bool computeBound() const;
+        inline virtual bool computeBound() const;
         virtual void drawImmediateMode(osg::State &state);
         inline void update_bounds(const osg::Vec3 &p, float r);
         void single_pass_render(osg::State &state, const osg::Matrix &modelview);
@@ -282,7 +282,7 @@ namespace osgParticle
         return last_frame_;
     }
 
-    inline const bool ParticleSystem::computeBound() const
+    inline bool ParticleSystem::computeBound() const
     {        
         if (!bounds_computed_) {
             _bbox = def_bbox_;