added a parallel projection mode (thanks to Lucas)
added a parallel projection mode (thanks to Lucas)


git-svn-id: 5398946ba177a3e438c2dae55e2cdfc2fb96c905@1788 a9d63959-f2ad-4865-b262-bf0e56cfafb6

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