* additional check when computing normals using less than 3 points - no need to compute the covariance matrix
* additional check when computing normals using less than 3 points - no need to compute the covariance matrix

git-svn-id: 5398946ba177a3e438c2dae55e2cdfc2fb96c905@8168 a9d63959-f2ad-4865-b262-bf0e56cfafb6

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