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/ParticleSystemUpdater

@@ -61,7 +61,7 @@ namespace osgParticle
         virtual ~ParticleSystemUpdater() {}
         ParticleSystemUpdater &operator=(const ParticleSystemUpdater &) { return *this; }
         
-        inline virtual const bool computeBound() const;        
+        inline virtual bool computeBound() const;        
         
     private:
         typedef std::vector<osg::ref_ptr<ParticleSystem> > ParticleSystem_Vector;
@@ -72,7 +72,7 @@ namespace osgParticle
     
     // INLINE FUNCTIONS
     
-    inline const bool ParticleSystemUpdater::computeBound() const
+    inline bool ParticleSystemUpdater::computeBound() const
     {
         _bsphere.init();
         _bsphere_computed = true;