* change the implementation of the VoxelGrid app to use ApproximateVoxelGrid
* change the implementation of the VoxelGrid app to use ApproximateVoxelGrid


git-svn-id: 5398946ba177a3e438c2dae55e2cdfc2fb96c905@3392 a9d63959-f2ad-4865-b262-bf0e56cfafb6

damienjadeduff/pcl,3dtof/pcl,simonleonard/pcl,zhangxaochen/pcl,srbhprajapati/pcl,msalvato/pcl_kinfu_highres,soulsheng/pcl,KevenRing/pcl,sbec/pcl,wgapl/pcl,closerbibi/pcl,nikste/pcl,damienjadeduff/pcl,lebronzhang/pcl,KevenRing/vlp,starius/pcl,nikste/pcl,zhangxaochen/pcl,DaikiMaekawa/pcl,sbec/pcl,Nerei/pcl_old_repo,mikhail-matrosov/pcl,ResByte/pcl,mschoeler/pcl,jakobwilm/pcl,zavataafnan/pcl-truck,shyamalschandra/pcl,jakobwilm/pcl,soulsheng/pcl,closerbibi/pcl,RufaelDev/pcc-mp3dg,pkuhto/pcl,krips89/pcl_newfeatures,closerbibi/pcl,lebronzhang/pcl,RufaelDev/pcc-mp3dg,simonleonard/pcl,krips89/pcl_newfeatures,Tabjones/pcl,KevenRing/vlp,jeppewalther/kinfu_segmentation,fanxiaochen/mypcltest,KevenRing/vlp,stefanbuettner/pcl,stfuchs/pcl,lydhr/pcl,shangwuhencc/pcl,fskuka/pcl,sbec/pcl,KevenRing/vlp,Nerei/pcl_old_repo,LZRS/pcl,the-glu/pcl,Nerei/pcl_old_repo,shivmalhotra/pcl,drmateo/pcl,cascheberg/pcl,wgapl/pcl,LZRS/pcl,mikhail-matrosov/pcl,damienjadeduff/pcl,zavataafnan/pcl-truck,soulsheng/pcl,stefanbuettner/pcl,pkuhto/pcl,shyamalschandra/pcl,damienjadeduff/pcl,nikste/pcl,Tabjones/pcl,chatchavan/pcl,ipa-rmb/pcl,pkuhto/pcl,chenxingzhe/pcl,stefanbuettner/pcl,chatchavan/pcl,ipa-rmb/pcl,starius/pcl,the-glu/pcl,chenxingzhe/pcl,DaikiMaekawa/pcl,soulsheng/pcl,lydhr/pcl,KevenRing/vlp,msalvato/pcl_kinfu_highres,wgapl/pcl,v4hn/pcl,MMiknis/pcl,msalvato/pcl_kinfu_highres,sbec/pcl,drmateo/pcl,kanster/pcl,KevenRing/pcl,mikhail-matrosov/pcl,jakobwilm/pcl,starius/pcl,shivmalhotra/pcl,shangwuhencc/pcl,fskuka/pcl,locnx1984/pcl,lydhr/pcl,v4hn/pcl,kanster/pcl,srbhprajapati/pcl,nh2/pcl,nikste/pcl,locnx1984/pcl,chenxingzhe/pcl,drmateo/pcl,starius/pcl,jeppewalther/kinfu_segmentation,krips89/pcl_newfeatures,krips89/pcl_newfeatures,nikste/pcl,pkuhto/pcl,closerbibi/pcl,raydtang/pcl,cascheberg/pcl,v4hn/pcl,shyamalschandra/pcl,Nerei/pcl_old_repo,stefanbuettner/pcl,MMiknis/pcl,damienjadeduff/pcl,lebronzhang/pcl,LZRS/pcl,lebronzhang/pcl,shivmalhotra/pcl,stfuchs/pcl,raydtang/pcl,jakobwilm/pcl,zavataafnan/pcl-truck,stfuchs/pcl,shangwuhencc/pcl,cascheberg/pcl,wgapl/pcl,MMiknis/pcl,3dtof/pcl,srbhprajapati/pcl,jeppewalther/kinfu_segmentation,mschoeler/pcl,RufaelDev/pcc-mp3dg,RufaelDev/pcc-mp3dg,cascheberg/pcl,simonleonard/pcl,DaikiMaekawa/pcl,fskuka/pcl,KevenRing/pcl,DaikiMaekawa/pcl,pkuhto/pcl,drmateo/pcl,chatchavan/pcl,v4hn/pcl,zavataafnan/pcl-truck,stfuchs/pcl,ipa-rmb/pcl,nh2/pcl,nh2/pcl,fanxiaochen/mypcltest,the-glu/pcl,ResByte/pcl,zhangxaochen/pcl,ResByte/pcl,v4hn/pcl,soulsheng/pcl,zhangxaochen/pcl,ResByte/pcl,3dtof/pcl,cascheberg/pcl,srbhprajapati/pcl,srbhprajapati/pcl,DaikiMaekawa/pcl,shangwuhencc/pcl,chenxingzhe/pcl,msalvato/pcl_kinfu_highres,closerbibi/pcl,stfuchs/pcl,mschoeler/pcl,kanster/pcl,Tabjones/pcl,drmateo/pcl,the-glu/pcl,fanxiaochen/mypcltest,shivmalhotra/pcl,raydtang/pcl,sbec/pcl,lydhr/pcl,jeppewalther/kinfu_segmentation,shangwuhencc/pcl,fanxiaochen/mypcltest,Tabjones/pcl,ResByte/pcl,LZRS/pcl,3dtof/pcl,3dtof/pcl,fanxiaochen/mypcltest,simonleonard/pcl,kanster/pcl,KevenRing/pcl,starius/pcl,mschoeler/pcl,ipa-rmb/pcl,lydhr/pcl,locnx1984/pcl,nh2/pcl,LZRS/pcl,locnx1984/pcl,zhangxaochen/pcl,chenxingzhe/pcl,shyamalschandra/pcl,the-glu/pcl,msalvato/pcl_kinfu_highres,fskuka/pcl,locnx1984/pcl,mschoeler/pcl,chatchavan/pcl,zavataafnan/pcl-truck,MMiknis/pcl,jeppewalther/kinfu_segmentation,krips89/pcl_newfeatures,shyamalschandra/pcl,MMiknis/pcl,Tabjones/pcl,shivmalhotra/pcl,RufaelDev/pcc-mp3dg,fskuka/pcl,wgapl/pcl,simonleonard/pcl,lebronzhang/pcl,KevenRing/pcl,kanster/pcl,mikhail-matrosov/pcl,ipa-rmb/pcl,jakobwilm/pcl,mikhail-matrosov/pcl,raydtang/pcl,stefanbuettner/pcl,raydtang/pcl